Authorities: Kansas man who killed 2 cops dies - Article Photos 16/18

Supporters hold flags during a candlelight vigil for two fallen police officers outside the law enforcement center in Topeka, Kan., Monday, Dec. 17, 2012. A man with a history of theft and weapons convictions gunned down two police officers investigating possible drug activity in a Kansas grocery parking lot, and was later killed after an armed standoff, authorities said Monday. (AP Photo/Orlin Wagner)