DeAngelo was recently charged with four counts of first-degree murder with special circumstances.
Joseph James DeAngelo, a 72-year-old former police officer, was taken into custody in late April at his home in Citrus Heights in Sacramento County, the same county where his alleged crime spree began in 1976.
Each of the four counts carries multiple allegations and each count carries the potential for a sentence of life without possibility of parole or the death sentence, she said.
Check back for an exapnded and updated version of this story. Barbara Manning and Robert Offerman (Dec. 30, 1979).
Prosecutors said they used DNA and a genealogical website to identify DeAngelo.
Investigators said the Golden State Killer found Offerman and Manning in bed before tying them both up and shooting them.
DNA from a crime scene was matched to genetic material from a relative who was registered on genealogy sites, and authorities later obtained a discarded sample of DeAngelo's DNA.
According to the Federal Bureau of Investigation, the Golden State Killer began his crime spree in 1976, committing several burglaries and rapes in the Sacramento suburbs of Rancho Cordova and Carmichael. He has not yet entered a plea to any of the charges against him. For years, McNamara immersed herself in the mystery of the Golden State Killer.
"Many important issues were discussed, but no decisions were made regarding where the case may be tried or the composition of the trial team", Orange County District Attorney's Office officials said in a written statement released Friday afternoon.
He is scheduled to appear in court in Sacramento on Monday. "In fact, a lot of them spend their lives feverishly seeking answers and desperately hoping for justice".