Andre Crawford killed and raped 11 black women between 1993 and 1998
He didn t leave behind any DNA, fingerprints or witnesses, investigators said
The only woman who survived, Claudia Robinson, played dead, she reveals in a new episode of Oxygen s Mark of a Serial Killer that aired Thursday
Crawford escaped the death penalty and was instead sentenced to life in prison, where he died in March 2017 from liver cancer.