7. University of Texas in Austin, TX, August 1966
Number seven on our list of largest, deadliest mass shootings in US history is a 25-year-old former Marine who killed his mother and wife, aaahhh, and then climbed the clock tower with 6 firearms. Apparently this guy was the first to mass murder folks in a public space. He shot and killed people as far away as five blocks. Police eventually killed him, but not before he claimed the lives of 14 people and wounded another 31.
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