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An in-depth look at the terrifying offenders whose crimes earned them rare life sentences; despite being imprisoned, these inmates go on to torture, kidnap and even kill.
S2, EP10 "Williams"
Feared Aryan Warriors gang leader 'Mugsy' Williams was a one-man crime wave - even behind bars.
S2, EP3 "Boatman"
After cold-blooded killer Leo Boatman murdered two campers, he went on the kill three inmates behind bars.
S1, EP1 "Vinter"
Gary Vinter, in prison for double murder, stabs a fellow inmate in the eye and gives another brain damage.
S1, EP3 "Dennehy"
One of the UK's most infamous serial killers, Joanna Dennehy brutally stabbed three men to death.
S3, EP10 "Berget"
After shooting two people, Rodney Berget kidnaps and sexually assaults a gas station clerk.
S3, EP9 "Maugaotega"
Miti Maugaotega Jr. receives one of the longest prison sentences in Hawaiʻi history.
S3, EP8 "Watson"
Nearing the end of a lengthy prison sentence, Curtis Watson does the unthinkable.
S3, EP7 "Romo"
Feared L.A. crime boss Ezequiel Romo ruthlessly runs the streets of L.A., even from behind bars.
