Police say the teen used the gun to rob South Side Bank on Monday. They say he fled the bank with the weapon and a bag of money wearing a black hooded sweatshirt, black pants and a red bandana on his face.
Police apprehended him 36 minutes after the robbery was reported. They say the money bag contained a red dye package that had exploded. Police say the teen's sweatshirt was covered with red dye.
Authorities found the gun and money near where they arrested the boy
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