Bay Area Cold Case Linked to “Night Stalker” Killer

For 25 years, the unsolved murder of 9-year-old Mae Leung haunted San Francisco police homicide Inspector Holly Pera, a novice patrol officer at the time who now helps solve the department's cold cases.
On Thursday, Pera -- who revived the case about five years ago -- and San Francisco police said DNA evidence has linked the infamous serial killer Richard Ramirez, known as the "Night Stalker," to the April 10, 1984 homicide.
"I was a new police officer at the time. That's part of the reason that the case was relooked at," Pera said. "It's the type of case as a new officer, a case involving a little girl, that you don't forget."
 Ramirez is being held on death row at San Quentin State Prison after being convicted in 1989 in Los Angeles of 13 murders.
The Los Angeles-area murders in 1984 and 1985 terrorized Southern California, with reports of satanic symbols left at bloody murder scenes by a killer who entered homes through unlocked windows and doors.
Ramirez previously has been tied to killings in Northern California. He was charged in the shooting deaths of Peter Pan, 66, and his wife, Barbara, in 1985 just before his arrest in Los Angeles, but he was never tried.
Mae was murdered in the basement of a residential hotel in San Francisco's Tenderloin neighborhood where she lived with her family.
Police said Ramirez at the time was staying at two different hotels in the same neighborhood.
When Pera and her partner, Inspector Joseph Toomey, resurfaced the case, crime lab technicians extracted DNA samples from items collected from the crime scene 25 years ago. Police would not say what the items were.
Matthew Gabriel, a DNA technician at the crime lab, said the sample was run through CODIS -- the Combined DNA Index System -- a database with samples from 1.2 million people, including convicted criminals.
The database returned a "cold-hit," which means the sample collected from the Leung crime scene matched Ramirez' DNA profile in the database.
On Wednesday, Pera and Toomey traveled to San Quentin and served Ramirez with a warrant to get a confirmation DNA sample. It will be used to confirm a match on the sample in the CODIS database.
Pera said Ramirez cooperated with the officers.
"He made no comment," she said.
Michael Burt, Ramirez' attorney during the murder trial, did not return a call Thursday seeking comment.

Copyright AP - Associated Press
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