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This July 2012 photo shows Andrew Engeldinger working at Accent Signage in Minneapolis. Police say the gunman who killed four people inside a Minneapolis sign company had been fired hours before the attack. Minneapolis Police Chief Tim Dolan told a Friday, Sept. 28, 2012, news conference that the gunman in Thursday's attack was 36-year-old Engeldinger of Minneapolis. (AP Photo/Finance and Commerce, Bill Klotz) MANDATORY CREDIT

Several killed in Minn. office shooting

A man who burst into a sign-making business in Minneapolis,

fatally shooting the owner and three others before turning the gun on

himself, had been fired from the company earlier in the day, police said Sept. 28. The shooter was identified as 36-year-old Andrew J. Engeldinger.