California detectives say they have cracked a key aspect of a cold case murder that has haunted them for nearly three decades.
They’ve identified remains found in 1995 in a discarded refrigerator in San Joaquin County east of the Bay Area as belonging to Amanda Lynn Schumann Deza, who was 29 when she likely went missing the prior year.
“It was a cold case for 27 years,” San Joaquin County Sheriff Patrick Withrow said last week. “I’d just like to take this time right now to give her her name back, to give her her story back.”
Deza’s identity was discovered through DNA mapping and family history research conducted by Othram Forensics, a private Houston-based laboratory.
The company used new technology to extract from DNA evidence hundreds of thousands of genetic markers, instead of the 20 usually used by law enforcement, and found relatives through those markers, Othram CEO David Mittelman said.
It built a family tree to identify potential known relations, he said. Deza’s mother and daughter were found and helped investigators identify the woman by submitting their own DNA, the company said in a statement.
“They were obviously shocked by the news,” Withrow said.
He said the parents wanted authorities to find and prosecute anyone responsible for Deza’s death, which detectives and medical examiner’s officials think was caused by blunt force trauma.
The sheriff’s department collected photographs of Deza from relatives. One is a yellowing shot of the woman with handwritten words beneath it: “My Mother, Amanda Lynn.”
Deza had not been reported missing when the remains were found.
Sheriff’s officials have said that when the woman was found in March 1995, her body was decomposing and may have been in the refrigerator for months before it was discovered partially submerged in a slough.
Scavengers looking for items to recycle made the discovery, authorities have said. The refrigerator has been described by deputies and detectives as partially submerged and possibly floating.
The…
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