WAUPACA, Wis. (CBS Local)-- One of three Wisconsin men charged with making a homemade "cannon" that exploded, killing a man, pleaded not guilty, authorities said. 42-year-old Kenneth Niemer of ...
A man working on a homemade cannon in his backyard was injured when gunpowder being used for the project exploded. Police say the man, 20, was “constructing a miniature cannon” Friday morning in the ...