What We Know About Brian Clyde, the Gunman Who Opened Fire at the Federal Courthouse in Downtown Dallas

The 22-year-old man who was fatally shot after he opened fire Monday on the federal courthouse in downtown Dallas had shared images and a video of weapons on social media in recent days.Brian Isaack Clyde, who authorities confirmed was the gunman, had lived in Corpus Christi and Austin, public records show. It was unclear whether he was living in Dallas before the shooting, but records indicate he had relatives who lived in the area.An initial search of public records did not uncover a criminal history.Reached by telephone Monday afternoon, Clyde's grandfather Rodney Clyde said he had "nothing to say at this time" and declined to comment further before he hung up.In a video Brian Clyde posted on Facebook in which he appears to be receiving an outstanding student award from Del Mar College in Corpus Christi, he said he had served in the Army."Military has always been big in my family, so has education," he said. "When I got out, I really didn't have any other options, so I figure go to school."He was one of 983 prospective graduates from Del Mar this spring, according to the school. Details of his service history were not immediately available Monday, but he said in the video he had been at Fort Campbell, a military post in Kentucky.Clyde posted frequently on Facebook. On Sunday, he shared a photo of what appeared to be a sword. On Saturday, he posted a picture of a variety of ammunition magazines.  Continue reading...