Deadliest U.S. shootings
At least 13 people including a gunman are confirmed dead in the Sept. 16 shooting at the Navy Yard, more than the amount of people killed in an Aurora, Colo., movie theater in 2012. Follow our liveblog.
CORRECTION: A previous version of this graphic incorrectly listed an assault rifle as one of the weapons used in the Washington Navy Yard shooting.
SOURCE: Associated Press and other news reports, Violence Policy Center, Brady Campaign to Prevent Gun Violence, Law Center to Prevent Gun Violence. GRAPHIC: The Washington Post.
Note: Several of these gunmen killed other people in the hours or days preceding their mass shootings.