Dallas police tweeted this photo of Mark Hughes on July 7, mistakenly declaring him a suspect in the shooting of police officers at a downtown march. (Dallas police via AP)
Dallas police tweeted this photo of Mark Hughes on July 7, mistakenly declaring him a suspect in the shooting of police officers at a downtown march. (Dallas police via AP) AP
Dallas police tweeted this photo of Mark Hughes on July 7, mistakenly declaring him a suspect in the shooting of police officers at a downtown march. (Dallas police via AP) AP