U.S.

Associated Press
Police investigate the crime scene where an off-duty Philadelphia police officer was shot and killed, Saturday, Aug. 18, 2012, in North Philadelphia. Police said the officer had just gotten off his overnight shift and was not wearing his uniform as he walked along Cecil B. Moore Avenue, where he was shot multiple times just before 6 a.m., Saturday. The officer later died at the hospital. (AP Photo/Joseph Kaczmarek)

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