Going postal now widespread

There were 639 homicides in the workplace in 2001, making homicide the third-leading cause of fatal occupational injury in the United States. 280 of the homicides were at retail businesses.

Transportation incidents were the big work-related killer (2,517 fatalities); contact with objects and equipment was second (962). There were 5,900 total workplace deaths in 2001, not including the 2,886 work-related fatalities of September 11th.