Any weapon can kill, but each weapon kills in its own way, writes Wired Magazine. Compare what an AR-15 rifle and a 9mm pistol do to a human body. “In one case, the hole looks like a grenade exploded inside,” explains Peter Lee, a traumatologist at the University of Arizona, “in another it looks like ...

Concert in Las Vegas. Nightclub Orlando. Elementary school in Newtown, Connecticut. Now a high school in Parkland, Florida. All these tragedies have one thing in common - America's most popular weapon - the AR-15 rifle. AR-15 rifles are increasingly becoming the main weapon of mass...