The 'Grim Sleeper': 5 Things to Know About Serial Killer Lonnie Franklin

This case was featured on Monday night's People Magazine Investigates. Now learn more with PEOPLE's complete digital coverage. The victims were all young vulnerable black women who lived in south Los Angeles and struggled with drug addiction. Their naked or partially clothed bodies were all dumped in the filthy neighborhood alleyways, left to rot under garbage and debris. They were shot at close range with a .25-caliber pistol, or strangled, or both. For years, their cases lacked justice -- or e...