 is in Bethel Park, Pennsylvania. The FBI has conducted more than 100 interviews, many of them right here in the neighborhood where the shooter lived. They've gained access to his phone now. They even know how he was able to take possession of the rifle, but none of that has established a clear motive. President Biden back on the campaign trail today, holding an event in Nevada. The president working to dial back the political rhetoric and focusing on unity. ABC's Mary Bruce says in an interview with NBC, the president also commented on his health.