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A detective and a historian hunt Alcatraz inmates who went missing 50 years ago and are mysteriously reappearing today.
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The team retraces the steps of the past to apprehend a sniper who is targeting young victims.
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When a terrifying child murderer reappears from the past, it’s a race against time to catch him before he kills again.
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Rebecca must extricate an Alcatraz bank robber from a hostage-filled bank before his identity is discovered.
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Rebecca and Doc try to unravel the mystery of an Alcatraz guard who reappears and is thrown into danger.
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The team tracks former inmate Paxton Petty, who has returned to plant bombs in populated areas of San Francisco.
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Madsen and Hauser look for a killer with a background in chemistry, who likes to poison his victims.
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Two of Alcatraz's most violent brothers find something mysteriously amiss when they return to the island in the present day.
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A former convict who became ultra-violent during his stint at Alcatraz returns for another reign of terror.
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The only innocent man in Alcatraz returns to present day and, surprisingly, begins committing crimes.
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Rebecca, Hauser and Doc try to capture a musically inclined serial killer who has become even more violent.
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Rebecca and Doc close in on a man who might have information about all the returning criminals.
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Rebecca finds the man who killed her partner, while Hauser and Lucy make a key discovery.
