A Secret Service sniper took several seconds before shooting the Trump sniper because he thought the man might have been a police officer. NewsNation’s Brian Entin in Butler, Pennsylvania, says that, according to his sources, is the working theory about the delay in taking out the shooter. #trumpassassinationattempt #brianentin #secretservice "On Balance with Leland Vittert" takes a critical look at some of the day's hottest subjects. Weekdays at 7p/6C. #OnBalance NewsNation is your source for fact-based, unbiased news for all America. 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