 A lot of things to be processed. There were some complicators that hopefully the next time we speak we can describe for you, but some complicators that slowed down some of the processing and the positive identification of the shooter. Bivens said the Secret Service was in charge of securing the area. No one from the Secret Service was present at the news conference to take questions. Marie Andrusiewicz, NPR News. Congressional Republicans are calling for a speedy investigation into last night's shooting.