World's Most Evil Killers

Young Natalie Jarvis was killed by Adam Whelehan, whose cruel and cowardly plot was exposed by investigators.

Teen Mhairi Julyan was murdered, and forensics led police to violent repeat offender Gavin McGuire.

Robert Howard manipulated and preyed on vulnerable women across countries.

Mary McLaughlin's unsolved murder was finally cracked after 36 years, exposing killer Graham McGill.

Anthony Russell, a triple murderer, sparked a frantic 2020 manhunt as police raced to stop him.

Laura Al Shatanawi disappeared, and detectives uncovered the tragic truth behind her husband Hassan.

Maria Pearson's violent jealousy erupted after her bigamy was exposed and Malcolm found new love.

Charlotte Murray vanished, and the lies from her ex-fiance Johnny Miller led to his conviction.

Two missing mothers were linked when evidence tied Derek Brown to both their violent deaths.

Claire Inglis became trapped with violent offender Christopher McGowan, leading to tragedy.

Carla Walker's 1970s murder devastated her community until the killer was finally caught.

Gardener William Howell used his van as a "murder mobile," killing women and dumping bodies.

Michael Bruce Ross, driven by sadistic urges, killed multiple young women in Connecticut.

"Pee Wee" Gaskins escalated from a petty criminal to a murderer after a teen went missing.

Dozens of Atlanta youths were killed, with Wayne Williams accused amid lingering questions.

Gloria Marmolejo's attempt to stop her son's illicit relationship ended in her murder by him.

A decade-old link revealed a serial killer who kept the same M.O. after moving far away.

Westley Allan Dodd's escalating predation ended after he murdered three young boys.

A traffic stop revealed a body, exposing Joel Rifkin's deadly spree against vulnerable women.

Nurse Charles Cullen secretly killed patients for years while avoiding scrutiny.