Steven Dean Gordon told authorities he and an accomplice raped and murdered five women while the registered sex offenders wore electronic tracking anklets.
Jaquinn Bell, 31, was charged with three felony counts of vehicular manslaughter with gross negligence.
Jaquinn Bell of Orange was booked for investigation of the felony hit-and-run that killed 3 teens who were trick-or-treating in Santa Ana.
The girls ages range from 13-15; they were in a crosswalk near an elementary school in Santa Ana when a vehicle with two men inside hit them, police and fire officials said.
Officials fear fire retardant that was installed in the schools in the 1960s may be deteriorating.
Timothy Lance Lai is accused of hacking a Southern California high school computer and changing student grades.
Police responded to pair of deadly nighttime crashes only hours apart in different Los Angeles suburbs that each killed five people, including a group of teens returning from an amusement park.
Sex offenders Franc Cano and Steven Dean Gordon are accused of raping and killing four women while they were wearing GPS monitors from previous sex crimes, claim prosecutors.
The woman, believed to be in her mid-40s, died after she was detained while taking off her clothes at an Orange County market, say police.
Christine Reynolds shot Gretchen DeStefano during a domestic dispute, say Orange County authorities.
An evacuation slide inflated inside a United Airlines plane as it flew from Chicago to California, filling part of the cabin and forcing the pilot to make an emergency landing in Kansas, the airline and passengers said.
Southern California woman who was held captive for 10 years was too scared to go to police until she reunited with her mother on Facebook.