The Murder of James Bulger - Two 10-year-old boys abducted, tortured, and murdered a two-year-old boy, James Patrick Bulger. They led him away while he and his mother were shopping.
Tuskegee Syphilis Study - A 40-year long study conducted by the US PHS & CDC to observe the long term effects of untreated syphilis where they deceived 399 impoverished African-American sharecroppers
Sawney Bean - a 16th century Scottish legendary figure, said to be have been the head of a 45-member (incestuous) clan that murdered and cannibalised over 1,000 people in 25 years
Traumatic insemination - the mating practice in some species of invertebrates in which the male pierces the female's abdomen and injects his sperm through the wound into her abdominal cavity