Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Some of the Deadliest Recent US Mass Shootings Associated Press A list of some of the deadliest mass shootings in the United States in the last two years: May 31, 2019: Longtime city worker DeWayne Craddock opened fire in a building that houses Virginia Beach government offices. He killed 12 people and wounded several others before he was gunned down by police. Feb. 15, 2019: Gary Martin killed five co-workers at a manufacturing plant in Aurora, Illinois, during a disciplinary meeting where he was fired. He wounded one other employee and five of the first police officers to arrive at the suburban Chicago plant before he was killed during a shootout police. .