DC: Watch Your Back Today - FBI Conducting a "Training Exercise" with Cops, Secret Service & Metro

From [WashPost] A training exercise will be conducted Tuesday morning in the Washington metropolitan area by a variety of law enforcement agencies under the supervision of the FBI.

Among the agencies participating will be the U.S. Secret Service and the D.C. police. Also to be involved are the D.C. medical examiner’s office and the Metro transit system.

The exercise is to begin at 6:50 a.m.