An officer walks through the area as police investigate a shooting at Accent Signage Systems on the north side of Minneapolis on Sept. 27, 2012. Police say at least two people were killed and four others wounded. (Associated Press/The Star Tribune, Renee Jones Schneider)

Photo by: Renee Jones Schneider

An officer walks through the area as police investigate a shooting at Accent Signage Systems on the north side of Minneapolis on Sept. 27, 2012. Police say at least two people were killed and four others wounded. (Associated Press/The Star Tribune, Renee Jones Schneider)