Active shooters are twice as deadly when a semiautomatic weapon is in the mix

Any time an active shooter opens fire in a school, a church or anywhere else, the consequences can be deadly. But the danger is about double when a semiautomatic weapon is involved.

In the United States, shootings that involved a semiautomatic rifle resulted in nearly twice as many deaths compared with shootings carried out with only regular handguns, shotguns or rifles, according to a report published Tuesday in the Journal