Pay attention!!! They are making mistakes. Youtube has a video detailing multiple instances of 24hr EARLY reporting of a crime that still hasn't happened.

Here is the link...Youtube will NOT let me embed video

Sunday, 15 September 2013 23:31 Eric Tucker And Brett Zongker, The Associated Press

DHS has a practice run setup only 3 days later...

Department of Homeland Security - 1

NPPD/IP/SOPD

September 19, 2013 | 7th & G Sts., NW, Main Floor meeting room Administrative Entrance located on 7th & G Sts. Washington, DC 20004

MORE....

WASHINGTON September 15, 2013 (AP)

Police, FBI: Shooter reported in military building at Washington Navy Yard; at least 1 victim.

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The Daily Courier

Sunday, 15 September 2013 23:31 Eric Tucker And Brett Zongker, The Associated Press