In addition to new episodes of Crimes of Passion each week, you’ll now also hear Crime Bites every Friday. Each Crime Bites episode gives you a deeper, yet brief look into true-crime topics covered at Parcast.

Today we’re discussing cases of killers poisoning their victims. What motivates someone to use poison? We’ll take a closer look using clips from shows across the Parcast Network.

Clips featured: Female Criminals: Marjorie Congdon Pt. 1, Medical Mysteries: President Harding Dies, Today in True Crime: Poisoned Umbrella