Before I Hang
Sentenced to die for his role in a mercy killing, Dr. John Garth (Boris Karloff) spends his final days continuing his experiments from death row. On the eve of his execution, Garth injects himself with a serum made from the blood of a homicidal maniac. Only after learning that his own death sentence has been commuted, he discovers his experiment has a dangerous - and deadly - side effect.
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