World's Most Evil Prisoners

Mikel Brady leads a violent prison escape attempt, killing four staff members before being recaptured.

After murdering his aunt and uncle, Ramon Escobar rampages across L.A. and strangles his cellmate in prison.

Rocky Beamon lures a woman into the woods and drowns her. Once in prison, he brutally kills two fellow inmates - and vows to kill again.

Born into a notorious crime family, robber-turned-killer Erica Jenkins goes on a murder spree in Omaha.

Joshua Gardner commits his first murder at 24; even behind bars, he can't contain his rage.

Imprisoned after a fatal robbery, Craig Wissink kills a corrections officer in a brutal attack.

Feared L.A. crime boss Ezequiel Romo ruthlessly runs the streets of L.A. - even from behind bars. Leading the Blythe Street gang from his cell, he kills with a single phone call, coldly ordering the murders of anyone who stands in his way.

Nearing the end of a lengthy prison sentence, Curtis Watson does the unthinkable: he sexually assaults and murders a prison administrator before escaping and going on the run. A four-day manhunt ensues.

Miti Maugaotega Jr. receives one of the longest prison sentences in Hawaiʻi history.

After shooting two people, Rodney Berget kidnaps and sexually assaults a gas station clerk.