If a man kills a prostitute, it’s unlikely the police will investigate. If a prostitute kills a policeman, her days are numbered. So it proved for Aileen Wuornos when she used her trademark .22 pistol on the retired cop, Dick Humphreys.
It is likely that her first murder was in self-defence but by this point, she was picking up victims. She shot Humphreys seven times, suggesting that she was now enjoying the act of killing.
One last man was to die before the female Florida serial killer was caught...