“Insanity runs in the family; it practically gallops”: That’s what Cary Grant famously said in the 1944 film Arsenic and Old Lace. Based on the hit Broadway play, the gruesome comedy set on Halloween shows Grant discovering his aunt has secretly been murdering renters at their boarding house.
It’s a pretty dark subject for a movie that’s supposed to be a comedy, especially because a real serial killer inspired it. Amy Archer-Gilligan, a convicted murderer, used arsenic to kill between 5-60 people. Find out how she got away with her crimes for over a decade.