World's Most Evil Prisoners

After being linked to more than 100 robberies, Mikel Brady shoots an interstate trooper and later leads a violent prison escape attempt with three accomplices, killing four staff members before being recaptured.

After murdering his aunt and uncle, Ramon Escobar rampages across L.A., bludgeoning five strangers with a baseball bat and bolt cutters. Even prison cannot stop him - he strangles his cellmate.

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 that shocks the nation. Behind bars, she continues her streak of violence, attacking corrections officers and hospitalizing inmates.

Willing to kill for just $20 and drugs, Joshua Gardner commits his first murder at 24. Even behind bars, he can't contain his rage, brutally beating a fellow inmate to death.

Imprisoned after a botched robbery that ends with the fatal shooting of an innocent man, Craig Wissink later kills a corrections officer with a fire extinguisher 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.

Convicted of shooting a man and 21 other felonies, Miti Maugaotega Jr. receives one of the longest prison sentences in Hawaiʻi history. Behind bars, he joins a prison gang and becomes a tornado of death and destruction.

After shooting two people, Rodney Berget kidnaps and sexually assaults a gas station clerk. Prison struggles to contain him: an escape expert, his final attempt involves the sadistic murder of a corrections officer.