 The investigators now have two priorities. They want to exploit the suspect's phone. They've sent it to the FBI lab at Quantico for analysis. And they'd like to establish a timeline of his movements in the hours, days, and weeks before the shooting, hoping both of those things will yield some answers here. ABC's Aaron Katursky. And President Joe Biden delivered an Oval Office address last night. In America, we resolve our differences at the battle box. You know, that's how we do it, at the battle box, not with bullets.