Top 10 Infamous Mass Shootings in the U.S.
These violent tragedies are a sobering reminder of how quickly life can change. Join http://www.WatchMojo.com as we count down ten of the most infamous mass shootings in United States history. While there is nothing to excuse the acts of a few lone gunmen, we can take some solace in the fact that these tragedies have helped law enforcement deal with future incidents. And, without acknowledging our past, we are destined to repeat it.