The Brain, Part 2
Story featuring Sandra of the Secret Service
Storyline: The Brain, a cloaked and hooded criminal mastermind, and boss of Captain Snegg, torpedoes a boat that Sandra of the Secret Service is on returning to the United States. On a small isle, in a bomb-proof shelter, the Brain makes his lair with a factory for making the rifles, machine guns and bombs that he and his gang sell to provoke unrest. Apparently killed when Sandra escapes and orders the marines to torpedo the Brain's islands, which causes explosions that destroy the islands.
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