20 Terrifying Killers You’ve Never Heard Of

#4 Jane Toppan

Photo: YouTube

“Jolly Jane” confessed to over 31 murders after being arrested in 1901. The nurse used her caretaker role for more harmful practices when she began poisoning her patients.

Toppan took pleasure in seeing just how much drugs every victim could take, especially when she could spend their last moments by their side.