Opens fire in on a suspected gunman while form earn President Trump was golfing. The fbi calling it a possible Assassination Attempt. The Secret Service rushing him to safety. Authorities saying the suspect had an assaultstyle rifle and had these two backpacks. The photos of police pulling him over and taking him in. What were learning about the secret Service Response just months after the failed Assassination Attempt in butler, pennsylvania. The new precautions theyre now taking the keep the candidates safe. Three americans allegedly detains in venezuela accused of trying to kill that nations leader. The historic Spacex Mission splashes back down to earth. The amazing images. Tua tagovailoa saying he will not quit despite concussions, but will he be allowed to play again . And theres good news tonight. The College Coachs tearful postgame interview now is surprising next play. This is Nbc Nightly News with lester holt. Good evening. Were coming on the air with another horrific and his