00:00At 7.30pm, Ms Cannon's sister made her first emergency call of the night, warning police
00:08that Paul Cannon had threatened to kill Lyn earlier that day, and that she hadn't heard
00:12from her sister in hours.
00:14They were told where Lyn was, they were given an address, they were told there were serious
00:19concerns for her safety, a knife was involved, a threat to kill had occurred, this was out
00:25of character, not even her children could get hold of her.
00:29That call was listed as a priority two, which police aimed to respond to within 12 minutes,
00:34but two minutes later, it was downgraded to a three.
00:37Paul Sollick was the radio dispatcher who made that decision, telling the court it didn't
00:41meet the requirements of a higher priority.
00:44He said there wasn't evidence of Ms Cannon being in danger at the time.
00:47Do you regret your decision to downgrade the call?
00:50No comment.
00:51Police arrived at the scene one hour and 14 minutes after that initial call, but by then,
00:56it was too late.
00:57The court heard following Lyn Cannon's murder, WA Police implemented a new policy, stripping
01:02dispatchers of the power to downgrade jobs.
01:04Instead, that call must now be made by a senior sergeant.
01:08The inquest also heard from the acting radio dispatcher supervisor from that night, Scott
01:13Pickering, who was asked about his decision to send a police vehicle to Ms Cannon's home
01:17in Butler, despite her sister telling authorities she was in Lansdale.
01:21Mr Pickering said there was no information about her not being at home.
01:25They would have heard her screams.
01:26If they'd have gone to the address, Lyn would be here with us today.
01:30There is no doubt in our mind.
01:32Mr Pickering also questioned if Ms Cannon would have gone to her former partner's home
01:36had she feared for her safety.
01:38I just hope valuable lessons have been learned because we will never get over this.
01:44Losing Lyn has just been so painful and devastating for our family.
01:51It's a nightmare.
01:52And I don't want another family to go through this.
01:54The inquest continues tomorrow.
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