The 8 worst mass shootings in the U.S. since 2012

When a gunman opened fire on a crowd of country music fans at a music festival in Las Vegas on the evening of October 1, 2017, reportedly killing more than 50 people and injuring hundreds more, the event became the deadliest mass shooting in U.S. history. Sadly, mass shootings have become common in recent years, causing many, including celebs, to call for stricter gun-control laws. Here are the eight of the deadliest U.S. mass shootings that have occurred since 2012.

October 1, 2017:

June 11, 2016:

December 14, 2012:

December 2, 2015:

July 20, 2012:

September 16, 2013:

June 17, 2015:

July 1, 2017: