This deranged couple trolled the streets of Los Angeles, CA and the Sunset Strip's Red-light district, picking up women they believed were sex workers.  The women were abducted, sexually assaulted, and murdered.  Each of these suspects (individually) went as far as decapitating a victim.   These serial offenders are Douglas Clark and Carol Bundy, The Sunset Strip Slayers.  Listen to the podcast on Apple podcast or the Serial Defense website.