US: Evidentiary documents released in Golden State Killer case
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Friday, June 1, 2018
On Friday, the Sacramento, California County Superior Court in the United States, with Judge Michael Sweet presiding, publicly released approximately 123 heavily redacted pages from an 800 page document related to the trial of 72-year-old Joseph DeAngelo, in the Golden State Killer (GSK) case. The high-profile case prompted the defense to motion delaying the release on the grounds of jury tainting.
From 1974 to 1986, there were 12 murders, 45 rapes, and 120 burglaries ascribed to the GSK. Many of these crimes were initially attributed to separate suspects, and California investigators coined such nicknames as “East Area Rapist,” “Original Night-stalker,” “Visalli Ransacker,” and “Diamond Knot Killer.” All these identities were later determined to be the GSK. DeAngelo is currently being charged with first degree murder with special circumstances, and is being further investigated for the 1975 first degree murder of Claude Snelling.
GSK’s alleged victims include 18-year-old Janelle Lisa Cruz on May 4, 1986; 35-year-old Cheri Domingo on July 27, 1981; 27-year-old Greg Sanchez on July 27, 1981; 24-year-old Keith Harrington on August 21, 1975; 27-year-old Patti Harrington on August 21, 1975; 21-year-old Brian Maggiore on February 2, 1978; 20-year-old Katie Maggiore on February 2, 1978; 44-year-old Dr. Robert Offerman on December 30, 1979; 35-year-old Debra Manning on December 30, 1979; 35-year-old Lyman Smith on March 13, 1980; 33-year-old Charlene Smith on March 13, 1980; 45-year-old Claude Snelling on September 11, 1975; and 28-year-old Manuela Witthuhn on February 5, 1981.
Law enforcement used DNA and other evidence to link the twelve known murders attributed to the GSK to suspect DeAngelo. Any DNA from rape kits and burglaries that predates 1970 is only admissible in court for murder cases because of California’s statute of limitations. The DNA evidence allegedly implicating DeAngelo was not found through the Federal Bureau of Investigation (FBI)’s Combined DNA Index System (CODIS) database, which catalogs 20 sections of DNA from local, state, federal, and some international agencies making a unique profile for 16 million individuals, but CODIS did rule out other GSK suspects, like Paul “Cornfed” Schneider and Joe Alsip.
Instead, law enforcement used a nuance investigative technique, comparing GSK’s DNA profile against the open-sourced GEDmatch’s genealogical DNA database. The GEDmatch’s database flagged a GSK blood relative and, with other evidence, DeAngelo was suspected of being involved with GSK’s crimes. The genealogical website methodology is not unique to the GSK case. GEDmatch’s database was also used to identify 51-year-old William Earl Talbott II in the 1987 rape and homicide of Jay Cook (20) and Tanya Van Cuylenborg (18) in Seattle, Washington.
The newly released documents reveal DeAngelo’s DNA was not collected via a warrant but rather from the door handle of his personal vehicle as he was shopping in a local Hobby Lobby on April 18. A secondary sample was collected from a tissue found in the garbage on April 23. The door handle and tissue DNA were compared to a semen sample from a known GSK murder that had been confirmed using the CODIS’s 20 section DNA profile standard. On April 24, DeAngelo was arrested for the twelve GSK murders. A warrant for DeAngelo’s Citrus Heights, California residence disclosed dozens of wedding rings, photographs, driver’s licenses, and other objects allegedly taken from victims as trophies.
Public defender David Lynch, tasked with defending DeAngelo, motioned for the 800 documents to be sealed until trial to prevent the jury from becoming tainted. Lynch has also questioned the validity of certain search warrants for undisclosed reasons. Prosecutors from Sacramento, Ventura, Orange, and Santa Barbara counties have not determined the best way to prosecute DeAngelo considering the complexity, age, and multiple jurisdictions of the case.
DeAngelo was, until 1979, a police officer in small California towns. After allegedly stealing a hammer and dog repellent, DeAngelo was subsequently fired from the Auburn, California police force. He later became a truck mechanic near Sacramento.