 After their most high-profile security breach in decades, the Secret Service, along with the FBI, briefed lawmakers Wednesday on 20-year-old shooter Thomas Matthew Crooks. A source directly familiar with the briefing tells CBS News that Crooks used his phone to search for images of former President Trump and President Biden online. Crooks also searched the names of FBI Director Christopher Wray and Attorney General Merrick Garland and looked up symptoms of depressive disorder