Authorities offer $20,000 reward for information in Los Angeles college student murder / B.C. man accused in botched California murder plot / Teen was stabbed and strangled in a California street. 40 years on, a serial killer confessed to her murder / DNA investigation links California serial killer to 1986 killing of young woman near Los Angeles / Murder plot revealed in California woman's text messages / Teen illegal immigrant arrested in connection to murder, mutilation of California man found in car / Scott Peterson appears virtually in California court as LA Innocence Project takes up murder case / Scott Peterson appears virtually in California court as L.A. Innocence Project takes up murder case / Family of 4, including twin boys, found dead in California murder-suicide / Valdo Calocane: Police investigated over prior contact with killer