A NYPost story 'Could the Kenya attack happen here? It did' and in:
On the evening of Feb. 12, 2007, a young Muslim man walked into the Trolley Square mall in Salt Lake City.....Yet the attack garnered few national headlines. Local media wrote it off as the act of a madman, parroting the quick conclusion of law enforcement. Officially, the FBI declared the mass shooting was not an act of terrorism.
Link:http://nypost.com/2013/10/12/could-t...t-already-did/

SWC have a number of threads on lone wolves, the Mumbai attack, Westgate and school massacres. I don't recall the Salt Lake City attack being mentioned.