Chicago serial killer William Heirens was known as the “Lipstick Killer” because the scene of his second murder left a cryptic message inscribed in lipstick on the wall – “For heaven’s sake, catch me before I kill more – I cannot control myself.”

Chicago serial killer William Heirens was known as the “Lipstick Killer” because the scene of his second murder left a cryptic message inscribed in lipstick on the wall – “For heaven’s sake, catch me before I kill more – I cannot control myself.”

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