Shetamia Taylor was torn between celebrating her kids' survival and grief over a fallen officer. #abc13 #Dallas pic.twitter.com/iWBzu1V5ow— Houston News (@abc13houston) July 10, 2016
Neighbors have told investigators that Johnson, a 25-year-old Army Reserve veteran who served in Afghanistan, had an interest in weapons, and officials have said that a cache of arms, ammunition, bomb-making material, and body armor were found in his home in Mesquite, a Dallas suburb..