This undated photo posted on Facebook on April 30, 2016, shows Micah Johnson, who was a suspect in the slayings of five law enforcement officers in Dallas, July 7, 2016, during a protest over recent ... more 
This undated photo posted on Facebook on April 30, 2016, shows Micah Johnson, who was a suspect in the slayings of five law enforcement officers in Dallas, July 7, 2016, during a protest over recent fatal police shootings of black men. Johnson, the Army reservist who killed five Dallas police officers, had kept an unauthorized grenade in his room on an Afghanistan base in 2014, according to a report released Friday, July 29, by Army officials investigating a sexual harassment complaint against him. (Facebook via AP) less 
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Associated Press
Fri, Jul 29, 2016 10:36 PM EDT