Kevin Ives & Don Henry / Nelson Ortiz Nieves

Fred&RoseMary West / The Pig Farmer Killer

Couple duo and their sick secrets/ Pig farmer turns from killing pigs to humans

Las Poquianchis / Mexican Jeffery Dahmer

Jay's Story: Sister pimps turned murderers. Eve's Story: 39-year-old pharmaceutical Chemist is believed that his responsible for multiple murders of women in Mexico City

Kevin Ives & Don Henry / Nelson Ortiz Nieves

2 boys were run over by a train but was it a suicide? / 4-year-old Giovanni Mejias was murder by his mother's boyfriend.

Donald "Pee Wee" Gaskins / La Tamalera

Gaskins was a South Caolina serial killer who had no regard for human life. / La Tamalera was desperate to keep her business going.

Big Ed / Erica Lawson

CHP officer goes on a killing spree / Erica, a monster of a mother.