 the Secret Service and said that she is not going to step down and that the Secret Service will participate fully in the independent investigation that President Biden called for on Sunday. This was her quote. The Secret Service is working with all involved federal, state and local agencies to understand what happened, how it happened and how we can prevent an incident like this from ever taking place again. Obviously, the big question is going to be why weren't the roofs secured? And now we're learning that there was, in fact, police