A Minneapolis police officer walks past a UPS truck, Friday, Sept. 28, 2012, at the scene where a gunman killed four people inside a Minneapolis sign company a day earlier. (AP Photo/Star Tribune, Jim... more 
A Minneapolis police officer walks past a UPS truck, Friday, Sept. 28, 2012, at the scene where a gunman killed four people inside a Minneapolis sign company a day earlier. (AP Photo/Star Tribune, Jim Gehrz) MANDATORY CREDIT; ST. PAUL PIONEER PRESS OUT; MAGS OUT; TWIN CITIES TV OUT less 
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Associated Press | Photo By Star Tribune, Jim Gehrz
Fri, Sep 28, 2012 4:29 PM EDT