Hundreds of newly released FBI documents shed light on the life and mindset of Thomas Crooks, the man accused of attempting to assassinate Donald Trump at a campaign rally in Butler, Pennsylvania. Retired FBI Special Agent Steve Moore joins "Elizabeth Vargas Reports" to discuss the red flags he identified in those documents. Anchor Elizabeth Vargas delivers the biggest stories, without bias or opinion. Watch "Elizabeth Vargas Reports" every weeknight at 7p/6C on NewsNation. #VargasReports NewsNation is your source for fact-based, unbiased news for all Americans. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij