![ATF: Felon Who Killed Trooper May Have Bought Weapon from Gun Show](https://ticklethewire.com/wp-content/uploads/2009/10/atf-guns.jpg)
ATF: Felon Who Killed Trooper May Have Bought Weapon from Gun Show
Steve Neavling ticklethewire.com A gun used by a felon to shoot and kill a state trooper in the state of Washington in February was traced to a gun show in 2009, the Associated Press reports. The news comes from the ATF, which tracked the history of the .40-caliber Smith & Wesson. The proper documentation was…