The country's violent crime rate came down 9.4% from 2010 to 2014, with the latest year reporting 366 violent crimes (murders, rapes, robberies, assaults) for every 100,000 Americans, reports 24/7 Wall Street. Still, the violent crime rate in some states is almost twice that. Here are the 10 most dangerous states, based on reported violent crimes per 100,000 residents: