A Killer's Mistake

Kent McGowen was supposed to uphold the law, but he thought he was above it. When his advances on Susan Harrison were spurned, McGowen went rogue and Susan ended up dead.

When Paul Hutchinson raped and murdered a teenage hairdresser, he thought he had committed the perfect crime—but he hadn't allowed for the advancements in forensics that would lead police to his door.

When mother of two Arlene Fraser disappeared, her husband Nat had a watertight alibi—but local cops weren't fooled.

Jesse Matthew was the "back-to-college" killer who stalked University campuses preying on young women. How many women would disappear before the college football star was caught?

Stephen Port's crimes were as brazen as they were heinous, yet he would take the lives of four young men before their families could convince police they had a serial killer on their hands.

Triple killer Willy Inmon thought he could outwit the law. But his plans to outwit detectives did not go as expected.

She was a successful TV actress sharing a flat with her drug addicted brother. When domestic discord led her to ask him to leave, Tony McCluskie reacted in the most extreme way possible.

Former US marine and convicted sex offender Anthony Sowell was known online as "the master," "offering" to train submissive women. They willingly went to his home, but few would make it out alive.

Debt ridden and desperate, Michael Dannaher hoped to solve his money problems with a spreadsheet of names he could rob and ransom. But what started as a mission for money would end in murder.

Anxiang Du blamed the failure of his business on his commercial partner, Jeff Ding. When the bodies of all four members of the Ding family were discovered by police, they had one suspect—but Du had seemingly vanished.