Las Vegas Sun: Lombardo on terrorism: 'My biggest concern is the lone wolf'

 A year after the incident, Las Vegas Sheriff Joe Lombardo and other officials still can’t determine why sovereign citizens Jerad and Amanda Miller went on a shooting spree, killing Metro officers and another bystander. This article, in concurrence with START's report on sovereign citizens, suggests that one of the top U.S. security concerns is the “lone wolf” phenomenon, disgruntled Americans acting as single domestic terrorists.