That leaves a mixed sample of DNA retrieved from the home as the only known piece of biological evidence in the case.
In June of 1993, Zachary Jackson, 30, was found shot to death in his Alameda County home. No arrests were made and the case went cold. Then, 32 years later, two people were arrested including the mother of Jackson's two children.
James D. Watson, who co-discovered of the twisted-ladder structure of DNA in 1953, has died. He was 97.
Thanks to advanced DNA technology, authorities say the identified human remains found 12 years ago belong to Velma Louise Silva Lee of Napa. Lee was born in 1936 and had been missing for years.
"The rumbling, it was the loudest, most violent time of my life," said Mark Desire.
A New York judge on Wednesday admitted DNA evidence prosecutors say links alleged Gilgo Beach serial killer Rex Heuermann to the murders of at least seven victims.