article_snippet: Scroll down for video .
article_snippet: an anonymous email that was circulating within the agency said uniformed Secret Service officers at the scene 'were going to arrest both of uniformed Secret Service officers at the scene, but the UD (Uniform Division) watch commander said not to.'
article_snippet: It is Secret Service policy to toss out tapes after 72 hours.
article_snippet: The only videos that remain from the night in question are those taken of the investigation into the suspected bomb and those taken of the investigation into the suspected bomb do not give a complete picture of what happened after the off-duty agents bumped into the barrier.
article_snippet: The only videos that remain from the night in question are those taken of the investigation into the suspected bomb the investigation into the suspected bomb the suspected bomb and those taken of the investigation into the suspected bomb do not give a complete picture of what happened after the agents bumped into the barrier the barrier .
article_snippet: Police surveillance video shown publicly for the first time last week shows Secret Service agents in their government vehicle driving through the secured area and nudging a temporary barrier at low speed as it drove toward a checkpoint .