Police in Texas say that forensic DNA know-how helped them crack the chilly case of a 21-year-old lady who was sexually assaulted and murdered practically 40 years in the past.
Edward Morgan, 60, has been arrested for the 1984 capital homicide of Mary Jane Thompson, the Dallas County District Legal professional’s Workplace introduced in a press launch Thursday.
Thirty-eight years in the past, Thompson’s physique was discovered behind a Dallas warehouse. She had been sexually assaulted and murdered on Feb. 13, 1984, police mentioned.
Edward Morgan was arrested within the killing of Mary Jane Thompson — and investigators linked him to the crime by way of genealogical databases. https://t.co/BiDhMx5Fi4
— CBS Mornings (@CBSMornings) February 21, 2022
Based on a report within the Dallas Morning Information, she was an aspiring mannequin working at a florist’s store and a restaurant. She had lived in Houston and Los Angeles, and had moved to Dallas six months earlier than he demise, the Dallas Morning Information reported.
She was final seen on Feb. 11, 1984, when she took a bus to the Trinity Medical Clinic, the Dallas Morning Information report mentioned.
The sufferer’s physique was found two days later close to some out-of-use railroad tracks behind a warehouse, in accordance with the Dallas Morning Information. She had been strangled together with her personal leg heaters, the report mentioned.
Her assailant had remained at giant since then, in accordance with the press launch.
In 2009, Dallas Police reopened the case and performed DNA testing on swabs taken from Thompson’s post-mortem, the press launch mentioned.
That testing recognized an unknown male DNA profile that was by no means matched to a selected suspect, and the case went chilly once more.
Then, in 2018, Dallas Police Chilly Case Murder Detective Noe Camacho reopened the case, the press launch mentioned. Camacho labored with a group from the Dallas County DA Sexual Assault Equipment Initiative (SAKI) that was utilizing new varieties of forensic testing strategies.
The FBI joined the duty drive in 2020, Dallas Police say, and the case was submitted for forensic genetic family tree evaluation. This know-how recognized Morgan as a suspect, and this week, police mentioned, DNA testing confirmed that Morgan matched the unidentified profile from the swab taken within the 1984 post-mortem.
As Dallas Police identified, this was the identical know-how used to catch Joseph James DeAngelo, the serial assassin often known as Golden State Killer. Forensic family tree matches suspects’ DNA to knowledge uploaded on industrial ancestry web sites and can be utilized to search out doable family to the suspect.
Though the apply has led to the arrests of suspects in decades-old chilly circumstances, forensic family tree evaluation has additionally raised privateness issues.
After Morgan was arrested, Thompson’s sister Selena Tomasello posted a number of messages to Fb, CBS Information reported.
“Lacking you sis on Friday when [I] obtained that decision [I] been ready 38 years for[.] [T]he FBI discover him sis he shall be in jail for the remainder of his life he’s know [sic] longer free as a chicken [I] know you’re looking down,” Tomasello posted. “And joyful that they lastly obtained him[.]”
“I obtained the decision [I] been ready 38 years for,” Tomasello additionally posted. “[T]he FBI known as in to inform me they fond [sic] the man that killed my sister 38 years in the past they arrested him[.] [W]hen [I] obtained that decision [I] was at Roswell most cancers hospital ready in ready room and my second answered pray is [I’m] most cancers free[.] [M]y nephew ray mentioned that my sister was thanking me for by no means giving up on discovering him and for not giving up the battle in opposition to most cancers one of the best thanks reward [I] ever obtained. God is nice.”
Capital homicide in Texas is punishable by the demise penalty.
Based on county data, Morgan is presently being held on the Dallas County Jail on $500,000 bond.
[Image via Dallas County Jail.]
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