Help Catch a Serial Killer

Help solve 'The Grim Sleeper' serial killer case


For more than two decades, a serial killer has stalked the streets and alleys of south Los Angeles. Police have linked 11 slayings through DNA and have the eyewitness account of the sole survivor of his attacks. But the killer's identity remains a mystery, and now police need your help in finding the man dubbed "The Grim Sleeper."

Follow his trail in this CNN.com multimedia presentation here