Improv Everywhere is a New York-based comedy troupe known for its unexpected flash mobs. For its latest mission, the group ...

The Federal Bureau of Investigation headquarters are pictured in February in Washington, D.C. On Wednesday, the FBI's uniform crime reporting unit released its "flash mob shoplifting incident" report ...

Dec. 3 (UPI) --A five-year FBI report shows shoplifting incidents related to flash mob groups are responsible for more than $8 million in stolen goods. On Wednesday, the uniform crime reporting unit ...