Mealey's (July 15, 2019, 10:43 AM EDT) -- DALLAS — Twitter Inc., Facebook Inc. and Google LLC each provided material support via their respective online platforms to the man who killed five people in a 2016 shooting of Dallas police, one of the surviving officers says in a July 12 brief in Texas federal court, opposing the internet companies’ motion to dismiss claims against them under the Antiterrorism Act (ATA) (Jesus Retana, et al. v. Twitter Inc., et al., No. 3:19-cv-00359, N.D. Texas)....