Mass shootings in U.S. history

Published On: Jul 20 2012 09:20:30 AM CDT   Updated On: Jun 13 2016 12:16:38 PM CDT

With 49 victims, Sunday's terrorist attack at an gay nightclub in Orlando now ranks as America's most deadly mass shooting. Take a look at some of the other worst mass shootings in U.S. history.

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Sept. 5, 1949: World War II veteran Howard Unruh, 28, shot and killed 13 neighbors in Camden, N.J. He was committed to a state mental institution.

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