In the aftermath of the Orlando terrorist attack, the fact that Omar Mateen was twice investigated by the FBI has many wondering why he was allowed to purchase firearms and why the FBI wasn’t aware of his plans for terror. Here are the key details about the U.S. terror watch lists and what they do.
http://dailysignal.com/2016/06/14/the-terrorist-watchlist-explained/?utm_source=TheCenterNews.com
