Overview

• Police arrested 22-year-old Tyler Robinson after a roughly 33-hour manhunt, and he is being held on suspicion of aggravated murder as authorities prepare formal charges.
• Investigators recovered a Mauser bolt-action rifle and bullet casings etched with phrases including “Hey fascist! Catch!” and “O bella ciao,” which are being analyzed for clues about motive.
• Officials say the inscriptions and other digital references are still under review, and no definitive motive has been established.
• Turning Point USA announced a public funeral on September 21 at State Farm Stadium in Glendale, Arizona, and President Trump says he will attend after ordering flags to half-staff.
• An archival website says it has collected nearly 20,000 social-media posts celebrating or encouraging violence, and news outlets report at least 13 people have been fired or suspended over online comments about the killing.