Baton Rouge shooter identified as ex-Marine Gavin Long

WASHINGTON/KANSAS CITY, Mo. (Reuters) - A former U.S. Marine sergeant who served in Iraq and made the dean's list in college has been identified as the gunman who killed three police officers and wounded three others in Baton Rouge, Louisiana, on Sunday, according to a government source with knowledge of the investigation. The suspect, Gavin Eugene Long, 29, was from Kansas City, Missouri, another source familiar with the investigation told Reuters. Divorced and living in a working-class neighbo