Ex-cop arrested in sadistic crime spree from '70s and '80s

Law enforcement show drawings of suspected serial killer in 2016.
In this June 15, 2016, file photo, law enforcement drawings of a suspected serial killer believed to have committed at least 12 murders across California in the 1970's and 1980's are displayed at a news conference about the investigation, in Sacramento, Calif.
Rich Pedroncelli | AP