Rebecca, Doc, and Hauser set out to capture the musically inclined serial killer Webb Porter, an unknown '63 that returns more violent than ever. Episode pics.
Clarence Montgomery (guest star MAHERSHALA ALI), the only innocent man in Alcatraz, returns to present day, but is now committing crimes. Why? Episode pics.
Sonny Burnett, a man with an incredible dark side who became ultra-violent during his stint at Alcatraz returns for another reign of terror. Episode pics.
Two of Alcatraz's most violent brothers, Herman and Pinky Ames, who were notorious for nearly escaping in 1963, find something mysteriously amiss when they return to the island in the present day.
Madsen and Hauser hunt down Johnny McKee, a former Alcatraz inmate and vicious killer with a background in chemistry. It's a race against time before McKee horrifically poisons more innocent victims.
Our unlikely trio tracks former inmate Paxton Petty, a sick landmine bomber who has returned only to place bombs throughout populated areas of San Francisco. Episode pics.
For the first time, an Alcatraz guard reappears. Although he's a good man, Guy Hastings (guest star JIM PARRACK) is being asked to do bad things and will come face-to-face with an old acquaintance. Episode pics.
When a notorious bank robber returns from the past and things go wrong in the present, Rebecca has to break him out of the hostage-filled bank before people can find out who he is.
When child killer Kit Nelson, a terrifying kidnapper who always returns his victims home - after he's killed them - reappears from the past, the team is in a race against time to catch the man before he kills again. Episode pics.
When Ernest Cobb, a sniper, begins targeting young victims, the team is forced to retrace the steps of the past in order to solve this modern day mystery.
Fifty years after every prisoner on Alcatraz vanished, Detective Rebecca Madsen and Alcatraz expert, 'Doc' Soto, reluctantly team up with Agent Hauser to catch inmates reappearing on violent killing sprees.