
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.
His time behind bars only made Italian-American mobster Freddy Geas even more brutal.
Gary Vinter, in prison for double murder, stabs a fellow inmate in the eye and gives another brain damage.
James Robertson is one of the most feared men in the US prison system; he murdered his cellmate, attacked a prison employee and doesn't hold back from getting what he wants.
Covered in tattoos, his terrifying appearance makes Jaime Osuna a feared man in the U.S. prison system; awaiting trial, he begins practicing Satanism and attempts to kill a fellow inmate.