Motive behind Michigan police HQ shooting unclear - Article Photos 4/4

One of three bullet holes visible in the police department lobby sits above a sign pointing to the reception desk. Southfield Police Chief Eric Hawkins talks about yesterday's shooting inside the police offices, that wounded a 50-year-old officer and killed the suspect, during a press conference at the department in Southfield, Mich. on Monday, Nov. 12, 2012. The suspect was identified as Harold Joseph Collins, a veteran and resident of Southfield; the wounded officer was not identified. (AP Photo/The Detroit News, Brandy Baker)