00:00How did a single drop of blood and a plastic fork pulled from the trash help crack a murder
00:05mystery that remained unsolved for more than 14 years?
00:08Police have revealed how investigators made a major breakthrough in one of Arlington's
00:13most brutal cold cases.
00:15On January 20, 2012, 32-year-old Irasema Chavez was found dead inside her apartment in Arlington,
00:21Texas.
00:22She had been stabbed more than 100 times.
00:25Surveillance footage showed a person wearing a hoodie and baggy clothing entering Chavez's
00:29apartment the night before she was found, but investigators were unable to identify the
00:34person.
00:34The attacker appeared to have left almost nothing behind, except for one tiny drop of blood.
00:40Investigators found it on a television stand in Chavez's home.
00:43Her television was missing, and police believe it was taken during the crime.
00:47DNA testing showed the blood did not belong to Chavez.
00:50Police said it came from an unknown Hispanic woman, but the profile produced no matches
00:55in a national law enforcement database.
00:57More than a decade later, detectives and FBI used investigative genetic genealogy to reopen
01:03the trail.
01:04In April 2026, the FBI's genealogy work identified Mayra Velasquez, a former close friend of Chavez,
01:11as a potential suspect.
01:12Detectives then collected Velasquez's DNA from discarded trash.
01:16According to court documents cited by local media, the sample came from a plastic fork.
01:21It matched the blood found inside Chavez's apartment.
01:24Police arrested 42-year-old Velasquez and charged her with capital murder.
01:29Authorities said she had previously worked as a real estate agent.
01:32The motive remains unclear, and the charge remains an allegation that must be proven in
01:36court.
01:37But after more than 14 years without an arrest, investigators say the DNA evidence has brought
01:42a major turning point in a case that once appeared impossible to solve.
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01:49While a pastor passed the community and the FBI has received an intellectual ë– ï¿½ative
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