claim: Sledgehammer made an appearance on Good Morning America.
evidence: A shooting incident occurred at a firm in Minneapolis , Minnesota , on the afternoon of Thursday , September 27 , 2012 .. Minneapolis. Minneapolis. Minnesota. Minnesota. firm. firm. The attack took place inside Accent Signage Systems , where a former employee walked into the firm 's building and fired a Glock 19 9mm pistol .. Glock 19. Glock 19. 9mm. 9mm. pistol. pistol. firm. firm. By the end of the day , five people were dead , including the gunman who committed suicide , and four others were injured , three of them critically .. suicide. suicide. One of those critically injured died the following day , and another man succumbed to his wounds on October 10 .. It was the deadliest workplace shooting in Minnesota 's history .. Minnesota. Minnesota. workplace shooting. workplace shooting