Mealey's (August 17, 2022, 11:16 AM EDT) -- WASHINGTON, D.C. — The Ninth Circuit U.S. Court of Appeals correctly found that they sufficiently alleged liability for aiding and abetting against three social media platform providers under the Anti-Terrorism Act (ATA), the family members of a terrorist attack victim tell the U.S. Supreme Court in an Aug. 15 brief opposing Twitter Inc.’s petition for certiorari, arguing that they sufficiently established that Twitter had knowledge that its platform was being used by the Islamic State Group (IS or ISIS)....