Brutal Cases

Kristin Rossum, a former toxicologist, murdered her husband with a deadly dose of fentanyl, which she stole from the hospital where she worked.

Murdered by an obsessed fan who fantasized about a romantic relationship, 22-year-old Christina Grimmie was shot three times.

Polly Klaas, 12, was kidnapped inside her own home. She was then strangled and killed, while her mother slept in the next room.

Sharon Carr, when she was just 12, became Britain’s youngest killer when she stabbed a stranger to death in 1992.