Truck owners and truck rental agencies in the U.S. must be "vigilant" about the increasing frequency of "ramming attacks" by terrorists using vehicles as killing machines, according to a new Transportation Security Administration report obtained exclusively by NBC News.
The unclassified report warns owners, operators and rental agencies to protect their vehicles from theft. Entitled "Vehicle ramming attacks: Threat landscape, indicators and counter measures," the report was sent Tuesday to local law enforcement agencies and private companies working with the Department of Homeland Security. ...