NBC 5 Investigates July 15, 2024 4:17 pm NBC 5 Investigates: Investigation into Trump assassination attempt continues NBC 5 Investigates’ Bennett Haeberle has the latest details on the investigation into the assassination attempt on former President Donald Trump. Local 2:41 Mother of suspected Blue Line shooter says son suffered mental breakdown: Exclusive 2:49 How much does DNC security cost? Redacted budget document shows $75M 2:49 CPD chief praises officers after 55 protesters arrested during DNC 1:04 Why one retired Secret Service agent says assassination attempt of Donald Trump ‘failure' for agency 2:38 Field hockey sister duo from UMD heads to the Olympics for Team USA