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00:00I love you, I love you.
01:20Our victim is Professor Alina Barbieri, head botanist of the Tropical Arts.
01:31Our face is burnt.
01:35I can't see any signs of fire.
01:37Well, she could have been moved.
01:38The body doesn't show any signs of combustion, so there wasn't no fire.
01:43Oh, be careful.
01:44Step away from that tree.
01:47Sorry.
01:49I didn't take that course in tropical medicine just for the month in the Maldives.
01:54Right.
01:54The deceased is lying under a hippomane manzanella, otherwise known as the death apple.
02:00Let's hope we find our wicked stepmother, get this wrapped up by lunch.
02:07The tree caused the burns to her face.
02:09My patient said it was on fire.
02:11She was quite correct, as usual.
02:13The sap on this tree is so corrosive that when it mixes with water, it turns to acid and that's
02:19what's burnt her skin.
02:21But it didn't kill her?
02:22Well, she was dead before she was exposed to the tree sap.
02:24So what did?
02:25Her face is bloated.
02:28Fingertips are cyanosed and there's vomit near the body, so she was poisoned.
02:33Half the things in here look like they could kill you.
02:36I mean, maybe it was an accident.
02:38She was a botanist.
02:39She knew these plants how to handle them.
02:42Why would she have knowingly ingested something poisonous?
02:45Maybe she was forced to.
02:47The tree, patience!
02:48No!
02:49It's okay!
03:01On the body we found an asthma inhaler, a staff pass and a mobile phone.
03:05Anything interesting on the phone?
03:06Yeah, the latest message from someone called Tio.
03:08It says, I drowned Paco, hurry to Rufforth.
03:11That is interesting.
03:13Yeah, no one called Paco has been reported missing and no one's reported any drownings in the last 24 hours.
03:18But we do have a lead on Tio.
03:20He's the brother of the deceased and he's got a record.
03:23Right, what's Rufforth?
03:24Oh, it's a village six miles out of the city centre.
03:28Professor Barbieri had a property there, former farm, loads of greenhouses.
03:32And it's where Tio drowned Paco, so let's head out there.
03:35Er, wait, sorry.
03:36No, we've not identified the poison that killed the professor and not had a chance to check the archive, so...
03:42My gut says it's the brother and also that there's a great farm shop on the way.
03:46Well, shouldn't we wait for backup, you know, seeing as the brother's been drowning people?
03:49Oh, come on, DS Hunter.
03:51All that bench pressing, you can take him.
03:53I'll get a cast home.
03:54Well, no, no, sorry.
03:56There's a process.
03:57We need to do things in an order.
03:59No, no, you need to do things in an order.
04:00I'm fine.
04:01And also, if we don't go, then I have to deal with a mountain of paperwork that you created destroying
04:04the crime scene.
04:07Listen, whatever's happened between you and Socko Boy, you need to find a way of keeping it professional.
04:13You know, since you've been here, you've said 55 things to make someone else feel uncomfortable.
04:18What are you, bloody hell, you're actually counting?
04:20You do it on purpose.
04:22It's like you don't care about anyone else but yourself.
04:24I care about the job.
04:25You think we're here just to make friends?
04:28I'm just asking you to be professional.
04:30You are not professional.
04:33Don't put your headphones...
04:33Stop calling me headphones.
04:36I am not here to look after you.
04:38I am not your mother.
04:40No, my mother's dead.
04:42My name is Patience.
04:47And she obviously had a keen sense of irony.
05:07There's someone in there.
05:15Tio Barbieri?
05:16Yeah.
05:20Where's Paco?
05:22Paco?
05:26Ah.
05:27Just here.
05:29So this is Paco?
05:32He's a mimosa pudica.
05:35He's hypersensitive.
05:39See?
05:41He's my sister's pride and joy.
05:43She is fascinated by plant neurobiology.
05:47How plants sort of process and use information that they gather from the wildings.
05:52I look like we do, honestly.
05:55The rose fell off the watering can and I flooded the pot.
05:58Nearly drowned him.
05:59But, you know, I think I've managed to save him.
06:02Hopefully.
06:08Is everything all right?
06:11Would you like to take a seat?
06:15Okay.
06:24When did you last see her?
06:28Not for a couple of days, but it's not unusual.
06:33She'd often work late.
06:34Nights, even.
06:38I should have known something was wrong when she didn't come to check on Paco.
06:47I can't look after all this myself.
06:51I don't know what I'm going to do.
06:57I don't know what I'm going to do.
07:14Is the, er, brother a suspect?
07:17I'm not getting killer instincts.
07:19He's got no obvious motive.
07:21Is he the sole beneficiary of his sister's estate?
07:24Yes.
07:25But Alina gave him everything he needed at the farm.
07:28And why kill her for the inheritance?
07:31What's with the plant?
07:32Oh.
07:33Not a suspect at this stage, sir.
07:35Possibly a wenness.
07:37Parsons has got something for you in the morgue.
07:39Keep me updated on the, um, witness situation.
07:42Yeah, sir.
07:45Have you, er, spoken to Patience, yeah?
07:47If she wants to sulk, let her.
07:50We don't all express our feelings in the same way.
07:53I find that plant easier to read.
08:03I found half-digested acacia leaves in the professor's stomach.
08:07Right, so that's the cause of death.
08:08Hmm, it's odd, certainly.
08:11Tannins in acacia leaves are poisonous, but not enough to cause death.
08:16Um, er, an acacia tree that senses it's under attack from an animal makes its leaves taste
08:22more bitter, um, to defend itself.
08:25So it does this by increasing its tannin level.
08:28Hmm.
08:30Plant neurobiology.
08:31So, an acacia plant technically could produce tannin a strength to cause death.
08:36That's not likely to come under attack in a tropical greenhouse, is it?
08:40Not by an animal, perhaps, but maybe someone being more deliberate.
08:44Oh.
08:45Let me know what you find.
08:52Come in.
08:54Come in.
09:22Can I help you?
09:25I'm, um, I'm, uh, I'm looking for patients.
09:31I'm a friend of hers and Elliot's.
09:33She's not in just now.
09:36Is that for her?
09:40Shall I take it?
09:52Over here.
09:54This is an acacia.
10:00There are cuts.
10:03I mean, they're, they're deep enough to outgrow up the tree and increase its levels of tannin.
10:10What have we got here?
10:17Could they have been created using these?
10:20Er, could have been.
10:23I don't even drink bad coffee, so I don't know how they got her to chew and swallow bitter leaves.
10:28Could it have been a suicide?
10:30No, I think we need to talk to Tio again.
10:40I didn't mean you to go to any trouble.
10:42Oh, come on, biscuits are never any trouble.
10:47So, how did you save your new patients?
10:50Er, through work.
10:52Um, what is it you do that?
10:54I'm a cleaner.
10:58Is she going to be much longer?
11:01Shall we finish the part?
11:04And then you can tell me why you're lying to me.
11:14I'm a good aside.
11:39Any sign of him?
11:40No, nothing.
11:41I'm going to put a call up.
11:42All right.
12:01Jake?
12:03Jake?
12:27That's a lot of weed.
12:29Yep.
12:37Hello, Theo.
12:39I'm assuming you've got a license for these.
12:42Hello.
12:46Come on, babe.
12:54Looks like your instinct to go after him was spot on.
12:58Where's Patience?
13:30You can't tell her this now.
13:34I've waited a long time.
13:36Another few weeks won't hurt.
13:39It's not your decision.
13:41Yeah, but I know her, and clearly you don't.
13:46She's in a particularly vulnerable place now.
13:51Please.
13:55Please let me tell her.
13:58Just let me find the right moment.
13:59I'm not.
14:00I'll be.
14:00I'll be.
14:00I know her.
14:01Yeah.
14:02Oh, no.
14:02No!
14:03No!
14:04No!
14:05Oh, no!
14:32I knew the brother was hurting something.
14:36Well, the pattern of his previous offence system statistically really leads to murder.
14:40I know.
14:43What's this?
14:44I don't know.
14:46It's not cannabis.
14:48The professor was obviously researching it and I was going to try and make sense of those notes.
14:52Yeah, I'm just trying to work out what it is.
14:54Okay.
14:57Well, there's more of them growing over there.
15:00I'm going as you're making me uncomfortable.
15:07You all right?
15:14Do I make you feel uncomfortable?
15:17Well, I run out.
15:22You know, maybe you should try and apologise to her.
15:30I think we should bag one of those up.
15:42I'll do anything wrong.
15:44I have to kick the floor and actually get annoyed.
15:44You're not alone.
15:44You're perfect.
15:44I'm ready to start winning.
15:44You're the one that I've taken on.
15:44You're the one that I've taken on.
15:59I'm ready to pull you off.
15:59You're not alone.
16:01I'm ready to go.
16:01Yeah, I'm ready to go.
16:01I'm ready to get away.
16:13Uh, I found a harassment claim that Professor Barbi Eury filed.
16:24I'd like to get down to see if you're okay.
16:29Um, yeah, well, I think the plant that I fell into caused some skin irritations, but it's clearing up now.
16:42And I saw Riley up with someone else.
16:49Well, maybe you should move on too. Meet some new people.
16:54Yeah, how would I do that?
16:55It's not going to happen down here, is it?
16:57No, I want to keep it separate from work.
17:03I'm trying out speed dating, if you're interested.
17:07What? Speed dating?
17:09All right, Gen Z.
17:11It's where you meet lots of people for a few minutes at a time and ask them questions, see if
17:15you're compatible.
17:16Wow, that's actually a really efficient way of accumulating a lot of useful data.
17:22That's a way of looking at it, yeah.
17:41They were a gift from Alina.
17:44She used to borrow them sometimes.
17:48You know what this looks like, Tia?
17:50That you killed Alina to stop her from telling anyone about your cannabis lab?
17:54Of course not.
17:56No, the farm was Alina's idea.
17:58Okay, so what happened?
17:59Bad deal?
18:00Stepped on someone else's patch?
18:02No, we didn't just deal to anyone like that.
18:06Yeah, I'm at your criminal record.
18:08Okay.
18:08Top lifting, anti-social behaviour. It's a big jump to drugs baron.
18:11I'm not a drugs baron.
18:13Let alone a murderer.
18:14No, you've got this all wrong.
18:17There is a distinct possibility, so put me right.
18:25I had a breakdown.
18:32I lived on the streets.
18:34Alina took me in.
18:36And we started the farm to sell weed to people with chronic pain.
18:41That's it.
18:44You're looking at five years, Tia.
18:48What did Alina get out of this?
18:54The money.
18:57The money.
19:01Every penny that we made went back into her research.
19:11And was this part of her research?
19:17Yeah.
19:18What is it?
19:25I don't know.
19:27I don't.
19:32She wouldn't tell me.
19:35She said, the less I knew, the less danger I would be in.
19:44What was Professor Barbieri researching?
19:47Why did you think it put her in danger?
19:49Who did you think she was in danger from?
19:51Professor Barbieri worked for a pharmaceutical company called Brovexum
19:55up until 18 months ago when she left abruptly.
19:58What was a botanist doing working for a pharmaceuticals company?
20:01I mean, historically, plants have been a significant source of medicinal compounds.
20:05Yeah, patients found something in the archive.
20:07When Professor Barbieri left, Brovexum filed an accusation of patent theft.
20:13Yeah, and then a few months ago, she made a claim of harassment against Brovexum.
20:17She said they sent her intimidating emails and letters,
20:20and then her home was broken into.
20:22Nothing was taken, but her papers were disturbed.
20:25What happened to the complaint?
20:27Well, the file's full of lawyers' letters.
20:28It looks like Brovexum came down with it like a ton of bricks.
20:30The Sue first, has questions later.
20:33Will, you're across the Professor's emails.
20:35Can you pull up anything from Brovexum or anyone associated with them?
20:38Mum.
20:39What else were Brovexum up to?
20:40Any patterns in the archives?
20:45Um...
20:46Oh, I've not...
20:48Not checks, I've been distracted.
20:51We need something concrete on Brovexum before we go anywhere near them.
20:55Hmm.
20:56Anyone else the Professor was specifically worried about?
20:58Any names in the files?
20:59Well, the letters are from a Marissa Wilson.
21:01She's a lawyer that we've dealt with in the past.
21:04Looks like she's gone corporate.
21:06She's their head of compliance.
21:08Hmm.
21:09Alina was risking everything on whatever she was working on.
21:14I'm going to talk to Marissa Wilson.
21:22I want it noted that I'm cooperating voluntarily.
21:26Noted.
21:26Please.
21:26What was Professor Barbieri working on when she was here?
21:30I can't discuss our research programmes with you.
21:32They're confidential.
21:33Why did she leave?
21:34And I'm not at liberty to discuss employee HR records.
21:39I have to say, Ms. Wilson, this doesn't feel very cooperative.
21:44Don't pursue this.
21:46My legal team would bankrupt your entire department in a week.
21:52What was the patent you accused Professor Barbieri of stealing?
21:55Even if I had the time to explain it to you, I very much doubt you'd understand it.
21:59Right.
21:59Oh, okay.
22:00Patent.
22:01Protect her product or process.
22:04Right so far?
22:06Hmm.
22:07Alina wasn't selling a product, so you accused her of stealing a process or an idea.
22:12It's not that complicated.
22:14Why would you break in and ransack her home looking for an idea?
22:21I've done a lot of work in Manchester.
22:23I think you know Chief Superintendent Banks.
22:27You two used to work together.
22:29Didn't you?
22:39Thank you for your cooperation.
22:46Anything interesting to hang out?
22:48Hey.
22:49We've got the mystery plant ID.
22:51Artemisia annua.
22:52It's used in Chinese medicine against fevers.
22:54And a key component in the anti-malaria drug that Brevexum brought to the market.
23:00So, Brevexum has been accused of intimidation and harassment 18 times in the past two years.
23:05A group of patients are taking legal action and several have made complaints.
23:08What's the legal action about?
23:09Side effects of a drug.
23:10What's the drug?
23:11It's an anti-malaria drug.
23:13The key component is...
23:15Artemisia annua.
23:16Yeah.
23:18It's the plant that a professor was researching in the lab.
23:23Alina must have been working on the malaria drug before she left Brevexum.
23:27Well, so she knew about the side effects and her research, her notes, it was the pattern she was looking
23:32for.
23:33Yeah.
23:34Maybe she found evidence.
23:35Something she could prove Brevexum knew that they didn't want exposed.
23:39Well, they'd break into our house for that.
23:41That would be a threat.
23:43Enough to go after her and try and discredit her.
23:45Yeah, but it's worth killing her for.
23:47Yeah.
23:47I don't know.
23:49I mean, it's not just that.
23:50Why was she growing Artemisia annua?
23:52Why was she risking everything running a cannabis farm to fund her research?
23:55Alina was using what she learned about Artemisia annua at Brevexum to try and find a better alternative.
24:01An anti-malaria drug without the side effects.
24:04She didn't want to just expose Brevexum.
24:06She wanted to put them out of business.
24:07Yeah, last motive enough to kill her.
24:11But how do you prove all of that?
24:13Well, proving what she was working on would be a start.
24:18Delphine Burrand.
24:20When I was searching the professor's emails looking for connections to Brevexum,
24:24I pulled up a personal email from a Delphine Burrand.
24:27What's that about?
24:29Live to work.
24:31They seem friendly.
24:32The dates match up.
24:34I mean, they worked in the same department.
24:37And they left at the same time.
24:39Maybe she can tell us what they were working on and why they left.
24:44Great work, team.
24:46Let's find Delphine Burrand.
24:47Actually, we're going out tonight.
24:49Yeah, we're going speed dating.
24:51Yep.
24:52But we're not with each other.
24:54But with each other, but not with each other.
25:00Um, well, Jake says I'll feel better if I meet new people.
25:03Oh.
25:05Celebrating any major milestones with your aunt tonight, Will?
25:08No, I'm on it.
25:10Okay.
25:11Okay.
25:11Well, um, I'll meet you there.
25:13I've got to go home and practice first.
25:14Cool.
25:16I practice for what?
25:30Hello, love.
25:32Hi.
25:33Fancy having dinner together this evening?
25:36Uh, no.
25:36I can't.
25:37I'm meeting a friend tonight and I need to practice.
25:40Oh, lovely.
25:41Great news.
25:43Uh, never mind.
25:44Another time.
25:44Okay.
25:55Okay.
25:56Uh, so I'm going to smile to make him feel comfortable.
26:00I'm going to laugh at his jokes, even if I don't understand them.
26:02And I practice my list of questions.
26:05What about you?
26:06I was just going to wing it.
26:17Oh, hi.
26:19Hi.
26:20Are you a cat or dog person?
26:23Oh, I love both.
26:24This is just about whitening my social circle, you know?
26:28Hi.
26:29Hi.
26:31So, what do you do?
26:32Oh, I'm, uh, I'm a police detective.
26:34Wow.
26:35So, what do you like to do on the weekends?
26:37I'd like to go scuba diving.
26:40Oh.
26:40Whoever went.
26:41No, I wouldn't want to go scuba diving because of the risks.
26:44Decompression sickness, nitrogen narcosis, barotrauma.
26:49Like, where else would I meet one of those?
26:51Yeah, well, if you, uh, ever need to know how to dispose of a body, I'm your guy.
26:57Salt water aspiration.
26:59Aerial gas embolism.
27:00On the apps, there's, there's a way someone knew.
27:03It's really easy to move on with this.
27:04It's a full six minutes and you can't ghost me.
27:09Oxygen toxicity.
27:11Disporadic osteonecrosis.
27:14Hypothermia.
27:15Most people just say they're scared of sharks.
27:17I like sharks.
27:21Hello.
27:22Hi.
27:24Oh.
27:25Oh.
27:30Why do people do this?
27:38Mom?
27:41I found Delphine Burund.
27:52Delphine was hospitalized after she attempted to take her own life 18 months ago.
27:56She hasn't woken up since.
27:58Her parents died of malaria and according to the staff, Professor Barbieri was a regular visitor.
28:06Uh, can I help you?
28:11She overdosed.
28:13On aconite.
28:16It's, um, used in Chinese medicine to treat malaria.
28:21And, uh, Delphine was using it to develop a homeopathic treatment.
28:26Hmm.
28:26Was she working with Alina to expose Brevexum?
28:30No.
28:32No.
28:32No, this is all Alina's paranoia.
28:40Delphine was deeply unhappy.
28:43And there was nothing any of us could do to help her.
28:49So, what do you think?
28:50Yeah, his vulnerability was seductive, but, yeah, I don't know.
28:54How was speed dating?
28:56I didn't get any matches.
28:57I got two.
28:58I marked yes to everyone to improve my statistical probability of a match.
29:02Ah, falling for someone isn't about statistical probability.
29:05Well, there are studies to show that it is.
29:08Oh, that's bollocks.
29:08It's about your heart, hopefully.
29:16That'll be number 56.
29:18Yeah.
29:23There you go, Star.
29:48Patience.
29:54You asked me not to call your headphones, and I respect that.
29:57I just forgot.
29:58Just then.
29:58Won't happen again.
30:05I am good at reading people.
30:07I just, I find it hard to read you.
30:18Um, I don't think any of my dates last night realised I'm autistic.
30:29I was trying so hard to hide it.
30:37You don't have to be in disguise for someone to like you.
30:48I know what killed the professor.
30:55So, acacia wasn't the poison that killed Professor Barbieri.
30:59Plants are a poison, but also the cure.
31:01We assumed it was acacia that killed her, but it was actually the cure in disguise.
31:05Cure for what?
31:06Delphine Burand, her colleague.
31:08She overdosed on aconite.
31:10The acacia leaves are the antidote for aconite.
31:12Yeah, so what if Alina knew she was poison, ingested the leaves because she knew it was also the cure?
31:18Yeah, aconite didn't come up on the toxicology report.
31:20Yeah, it's a poison you can't detect unless you're looking specifically for it.
31:24Yeah.
31:26Right, well, let's look for it.
31:35It's a pretty extraordinary coincidence that Alina was killed with the same poison that Delphine OD'd on.
31:41Surely that's enough to go back to provex and whips.
31:43Ah, here you are.
31:45Okay.
31:46Both of you, here's another extraordinary thing.
31:50I'm sorry.
31:51Oh.
31:53Please come to my house so I can cook you dinner to apologise properly.
31:58Aconite on toast.
32:02It's a joke.
32:04Sorry.
32:04I did it again, didn't I?
32:07Uh, Alina wasn't at work all day, as we thought on the day that she were killed.
32:12Timely interruption, thank you, Will.
32:14She attended an appointment to register her new plant species.
32:18But it wasn't in her diary.
32:21Future Love.
32:23Well, I can head down there, find out who she spoke to.
32:26Don't plants normally have Latin names?
32:29Well, that's a scientific name, Mum.
32:30Future Love is the common name.
32:33Meant Gardens.
32:36Patience.
32:37Future Love, that's a book title.
32:40I've seen that before at Alina's lab in Rufforth.
32:44Let's go.
32:53Yeah, there it is.
32:59Future Love.
33:07There's an inscription, um,
33:10To my darling Alina, when our bodies entwine.
33:19It's the only moment that matters to our future together.
33:23All my love.
33:25Delphine.
33:26Alina and Delphine were lovers.
33:28Yeah.
33:31Um, what's...
33:40I think you just found what Brevexan are looking for.
33:54This is incendiary.
33:55Could change the outcome of the court case.
33:57So why didn't she hand them in?
33:58She stole them.
34:00And Brevexan would have seen her go to jail
34:01and they implicate Delphine.
34:03I mean, I think she was waiting
34:04until she finished her research
34:05to secure the bigger win.
34:06So someone at Brevexan's got a motive for murder.
34:13Dr. Parsons, you're on speaker.
34:15We have a cause of death.
34:17But the levels of aconite in Elissa Barbieri's blood
34:20were high enough to kill her.
34:22Good call, Patience.
34:23So the same obscure poison
34:25that put Delphine in her coma
34:26was used to kill Alina?
34:28Absolutely.
34:30It's enough to bring Wilson in for questioning.
34:32And to secure a warrant
34:33for Brevexan's HR records and emails.
34:35Let's line up everything perfectly
34:37before we serve that slime ball, Ms. Wilson.
34:39Thank you, Dr. Parsons.
34:40Sorry.
34:41Dr. Parsons, isn't aconite very fast acting?
34:44Yes, extremely.
34:46It could only have been administered
34:47a few moments before she died.
34:49So then the killer must have been
34:50inside the tropical greenhouse
34:51with Professor Barbieri?
34:52Yeah, but there were no alarms,
34:53no struggle, nothing to suggest an intruder.
34:56So then Alina knew her killer
34:58trusted them enough to let them in?
35:01Yeah.
35:02That doesn't line up with a Brevexan assassin.
35:05Tell me you have another suspect.
35:20There is a connection
35:21between these two women
35:22which tells us how Alina died.
35:24Why can't I see it?
35:34You asked her to speak to me?
35:36Yes.
35:37You spoke to one of my colleagues
35:38who said you recognised this woman
35:40as a regular visitor.
35:41Alina, yeah.
35:42What did she do when she was here?
35:44Did she talk to her?
35:46Sometimes she read to her.
35:48Um, she bought those.
35:51Yeah, um, the blue rose.
35:55Unusual, isn't it?
35:56Well, blue roses don't actually exist in nature.
36:00Alicia, I've seen this before.
36:08Here.
36:10So, this was the scene
36:14where Delphine's body was found.
36:17It was treated as a crime scene
36:19before they officially ruled it
36:21as an attempted suicide.
36:23Who found her?
36:24Um, her husband, Tobias.
36:27It says in his statement,
36:27he knocked over the vase in a panic
36:30and it shattered on the floor.
36:32Tobias Burund.
36:33I knew I wasn't sure about you.
36:52So, each plant grown from seed
36:55has its own unique DNA.
36:57So, to create a truly blue rose,
36:59the professor must have modified
37:01the genetic code of a white one
37:02to create an entirely new breed.
37:04It's...
37:05It's amazing.
37:11Oh.
37:12Any luck, Will.
37:14Drug squad's got hours of CCTV footage,
37:16but I found him.
37:18Tobias Burund.
37:20He arrives, snoops around.
37:26And he stops by a particular plant
37:28in the East Greenhouse.
37:31It's not a blue rose by any chance, is it?
37:34It's a black-and-white cameraman.
37:36And then, what does he do next, exactly?
37:39Uh, he looks at it,
37:41steps close to it,
37:42then he reaches for something
37:43inside the plant pot.
37:44Could be a label.
37:46And he takes it out to look at it.
37:50Scientific name, Rosa Delphinium,
37:52is after Delphine.
37:55Then he looks quite upset.
37:57What's the date on the tape?
38:03Bus.
38:04I spoke to some of the staff.
38:06His alibi stands up.
38:08His phone records show he was in the city centre
38:10and the waiter in the restaurant remembers him.
38:12The waiter says he ate dinner with a woman
38:13and then stayed until closing,
38:14drinking on his own.
38:15Left a big tip.
38:16Yeah, of course he did.
38:18He wanted to be remembered.
38:19Did you get a description of the woman
38:20he ate dinner with?
38:21Yeah.
38:22Why did you not mention you had dinner
38:24with Alina Barbieri the night she died?
38:28Alina asked to meet me.
38:29Um,
38:30I agreed to dinner.
38:33But it was just as I feared.
38:34All she wanted to talk about
38:35was her paranoid brevix
38:37and conspiracy theories.
38:40We had a row.
38:41She left.
38:43I stayed and finished the bottle of wine.
38:46I was annoyed with myself
38:47for falling out with her.
38:50Could have been the last person
38:51to see her alive.
38:54Apart from the murderer.
38:57Why did you lie?
39:02When you tell people
39:04that your wife attempted to kill herself,
39:08they look at you a certain way.
39:09There's a...
39:11There's an unspoken question.
39:14How did you let that happen?
39:19I suppose I'm tired of being looked at
39:20with suspicion.
39:21I'm sorry.
39:24I hope I haven't set
39:25your investigation back.
39:27I stayed at the restaurant
39:28drinking until closing.
39:33Did the waiter tell you?
39:37I know he did it.
39:40But how?
39:42He was at the restaurant
39:43when Alina died.
39:44There's witnesses.
39:46CCTV footage shows him
39:47entering and leaving.
39:49He couldn't have administered
39:50the poison.
39:50How do you know?
39:52Well, I've sent down
39:53dozens of guys
39:53who've killed
39:54or tried to kill
39:55their wives
39:56and he's just,
39:56he's got the same...
39:59I know he killed Alina
40:01and I know he tried
40:02to kill Delphine.
40:02It's just the timeline
40:04says it's impossible.
40:05Well, maybe there's another way
40:07of looking at the timeline.
40:08Alina was given the poison
40:10by someone she trusted
40:12moments before she died
40:13when Tobias Burrow
40:14and Harrison...
40:14You've just made a leap
40:15in logic.
40:16How?
40:17Well, the poison
40:18must have been ingested
40:19moments before she died,
40:20but she could have been
40:22given it earlier.
40:26Into something she trusted.
40:28Without her knowing.
40:29Of course.
40:32We found this
40:34on Alina's body.
40:36That's nothing unusual.
40:38She was asthmatic, but...
40:41When we tested it,
40:42it was filled with
40:44powdered aconite.
40:48We traced the unique
40:50serial number
40:51on the inhaler
40:53and...
40:58It was purchased
41:00with your credit card.
41:01Can you explain that?
41:05No comment.
41:08It was ordered
41:09the same day
41:10you were captured
41:10on CCTV
41:11visiting Rufforth Farm.
41:13Something inspire
41:14and impulse buy?
41:18No comment.
41:20Do you know
41:20the thing I love
41:20about this job
41:21is getting to learn
41:22new stuff every day.
41:23Did you know
41:25that every plant
41:27has a unique DNA?
41:29It's like ours,
41:30only simpler.
41:31I...
41:33No comment.
41:34So when we test
41:35the aconite
41:36in that inhaler,
41:37I'm guessing
41:38that it has
41:38the exact same DNA
41:40as an aconite plant
41:42in your garden.
41:43No comment.
41:44You only need
41:45to say that
41:45when I ask you a question.
41:47It's a nice touch,
41:48tipping the waiter
41:49so generously.
41:51Could have saved
41:51yourself the money
41:52and got us
41:52to check the CCTV.
41:54There wasn't
41:54any covering our table.
41:57I...
41:59checked,
42:00did you?
42:03So you knew
42:04it was safe
42:05to swap the inhaler
42:06in Alina's bag
42:08with the one
42:09you filled
42:09with powdered aconite.
42:16When Delphine
42:18told you
42:18she was leaving you
42:19for someone else,
42:21how did it feel?
42:24You felt helpless.
42:27Yeah?
42:29Angry.
42:33So you poisoned her
42:34with her aconite medicine.
42:36But you didn't quite
42:37manage to kill her
42:38and you still
42:39didn't know
42:41who she was cheating
42:42on you with.
42:43That must have been
42:44agony.
42:50You know the thing
42:51I think that tipped you
42:52over the edge
42:52was
42:53when you knew
42:54it was Alina
42:55was realising
42:56just how truly,
42:57deeply
42:58in love they were.
42:59Rare, special.
43:00No.
43:01No.
43:04We found a dedication
43:05from Delphine
43:06to Alina
43:06in one of the books
43:07that Alina
43:07always read to her.
43:09To my darling, Alina.
43:10When our bodies
43:11entwine
43:12Alina
43:13was a corrupting
43:14whore.
43:21Killing her
43:22was the easiest
43:22way to end
43:23the suffering,
43:24wasn't it?
43:31Yes.
43:36I didn't know
43:37we had the resources
43:38to test plant DNA.
43:40We don't.
43:50We shared the files
43:52that we found
43:52in Alina's things
43:53with a serious
43:54fraud office
43:55and the legal team
43:55fighting with Exxon
43:56and they think
43:57they're dynamite.
43:59She got them
44:00in the end then.
44:01You gonna be okay?
44:02I...
44:03Yeah.
44:04Time to sort out
44:05my head I guess.
44:06Yeah.
44:08Oh, hey,
44:08can you, um...
44:10Could you do me
44:11a favour?
44:13Could you make sure
44:14Paco's looked after?
44:15Yeah.
44:24So glad you could
44:25both make it.
44:26Oh, do you want us
44:26to take our shoes off?
44:28Oh, yeah.
44:28Shoes on,
44:29shoes off.
44:30Just make yourself
44:30at home.
44:32Can I get a drink?
44:34Yeah.
44:35Would you like
44:35a mocktail?
44:36Yeah.
44:36Yeah?
44:36Mocktail?
44:37Cocktail?
44:37Yeah,
44:38I'd love a cocktail.
44:38Yeah, please.
44:42Wow.
44:44Oh, this on
44:44the D.I. salary, yeah.
44:58This place is amazing.
45:00Oh, yeah.
45:00Thanks.
45:02Um, it's the first time
45:02I've used this pan.
45:03It comes already seasoned
45:05with flax oil.
45:06Um, the pan's cast iron
45:08but the handle
45:09stays cool.
45:10Mum?
45:11Is this your mum?
45:14Yeah.
45:16She's not around anymore.
45:20You've got to try
45:21these olives
45:21before the main event.
45:23They're so tasty.
45:25Yeah, I've got them.
45:35Absolutely divine.
45:37Oh.
45:3830 euros,
45:39a jar,
45:40including postage.
45:42So now we know
45:43all the parcels
45:44come to the office.
45:47I'm going to get you a drink.
45:51Sit down, sit down,
45:52sit down.
46:01That one's yours.
46:04Oh, thank you.
46:05Oh, cheers.
46:07Cheers.
46:08Cheers.
46:08Cheers.
46:10Cheers.
46:10Cheers.
46:10Come on.
46:15Come on.
46:17Come on.
46:17Come on.
46:17Come on.
46:19Come on.
46:20Come on.
46:20Come on.
46:22Come on.
46:23Come on.
46:24Come on.
46:25Come on.
46:26Come on.
46:27Come on.
46:27Come on.
46:29Come on.
46:30Come on.
46:33Come on.
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