 The head of the Secret Service says she's already expanded the tactical and SWAT support for former President Trump. Outside the convention, ABC's Matt Gutmann. This part of Milwaukee has essentially become a fortress. There are thousands of officers that you see and many, many that you don't see. There are boats in the river with machine guns mounted on them. This event has been given the highest level of security designated by the U.S. government. Police officers from six states, National Guard, Coast Guard, obviously Secret Service,