By Steve Neavling
Ticklethewire.com
Marlin Mack, a 25-year-old convicted felon with an extensive rap sheet, legally purchased a gun after passing an FBI background check and then used the weapon to shoot and kill a university graduate student and wound three Kansas City police officers in July.
Mack, who was killed in a gun fight with police, managed to legally purchase the gun despite being a convicted felon with a violent past that includes using a high-powered pistol to rob a woman at gunpoint and then trying to kill the man who called police.
How Mack was able to purchase a gun remains a mystery.
Neither the FBI nor the ATF has returned media inquiries.
