Patrick Butler

Patrick Butler was the secundary antagonist that appeared in the Criminal Minds in episode Lockdown of season ten. He was portrayed by Isaac Keys.

History
Butler was a bank robber who stole five different states using a toy gun, he was then arrested and sentenced to five years in the Reagan Federal Penitentiary, but his sentence was increased to twenty years that he killed another prisoner. Butler was one of the prisoners who were forced by Captain Dale Shavers, the security chief and the other prison guards to participate in the fighting club, Butler befriended another inmate named Devon White who was very much that he had a homosexual relationship with him. One night the two had to face each other in what resulted in White's death after Shavers gives stick Butler although the blows were unitentional, which Butler traumatized. After joining with the other prisoners who were forced to participate in the fight club. After this a series of murders were initiated and orchestrated by Shavers in an attempt to kill all connected to the murder of White.

Then when BAU was called to investigate the case of the mysterious murders inside the prison. After the group killed two guards and an inmate who was Shavers informant,  Randall Jefferson Jones a pedophile  Butler' s cell was searched by the guards they then find pocketknives and socks, Shavers then orders Butler to be kept in a solitary confinament the same place that White died, arriving there he is confronted by Shavers, who demands to know who else is involved. Butler taunts him by saying that BAU is investigating him and that he will find out about the fighting club, Shavers tries to hit him with the staff, but Butler attacks him again, so he is dominate for the second time and is staying until death.

Trivia

 * It is very likely that Butler was inspired by Christopher Scarver as both were murderers and bank robbers, who after killing one two prisoners, both were convicted of the crime after.