SAN FRANCISCO (AP) — A California woman has been arrested in the death of her newborn baby boy in the San Francisco Bay Area 32 years ago in a case that was solved decades later because of genetic genealogy, authorities said Monday.
Lesa Lopez, 52, admitted to investigators she was the mother of the baby and implicated herself in the killing, Alameda County Sheriff’s Office spokesman Sgt. Ray Kelly said in a statement.
“Lopez, who was 20 years old at the time of the incident, told investigators she hid the pregnancy from her family and friends and provided details of what happened,” he said.
Lopez, of Salida, was arrested on July 23 and charged with murder. She is being held on $2 million bail. It wasn’t immediately known if she has an attorney who can speak on her behalf.
Two children playing found the baby’s body on May 15, 1988, inside a paper bag left among trees and bushes on the bank of a creek in Castro Valley. An autopsy revealed the baby was alive at birth and was killed, Kelly said.
The boy, identified by investigators as Baby Joe Doe, was given a funeral at St. Leanders Church in San Leandro attended by more than 200 people. A priest posthumously named him Richard Jayson Terrance Rein after the church’s vicars and priests.
With DNA investigative technology much more advanced, the DNA of a woman was found in 2005 in evidence collected from the crime scene. Investigators believed it belonged to the baby’s mother, who was considered a suspect, but she couldn’t be identified.
Multiple investigators with the sheriff’s office tried to solve the case over the past 32 years “for a baby boy who never had a voice and never had the chance of living a full life,” Kelly said.
Last year, investigators again took up the case with the help of experts in forensic genetic genealogy from the FBI, and private labs, including Oklahoma-based DNA solutions and Gene-by-Gene’, which owns the genealogy website FamilyTreeDNA.
After extensive genealogy research, surveillance and DNA collected from Lopez’s discarded trash, cold case investigators linked Lopez to the crime scene, Kelly said.
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