...Prisoners. One of the UK's most infamous serial killers, Joanne Dennehy killed three men over ten days. She is one of only three women currently serving a whole life order in the UK. (Ep3)
...Prisoners. James 'Porky' O'Rourke's reputation has made him one of the UK's most feared prisoners. He has attacked officers, even holding some hostage, and murdered a fellow inmate. (Ep2)
...Prisoners. At 6ft 7, Gary Vinter is a convicted double murderer and one of the most feared men in the prison system. He stabbed a fellow inmate in the eye and gave another brain damage. (Ep1)