![How FBI Background Check Failed to Prevent Felon from Buying Gun That Injured 3 Officers](https://ticklethewire.com/wp-content/uploads/2018/08/marlin-mack.jpg)
How FBI Background Check Failed to Prevent Felon from Buying Gun That Injured 3 Officers
Marlin Mack, a felon with an extensive rap sheet, passed an FBI background check to buy a gun that he used to shoot and kill a university graduate student and wound three Kansas City police officers.