In a discussion of the security aspects of last week’s post office shooting, Bruce Schneier says that the US Post office’s reputation for harboring (or creating) a workforce of repressed homicidal maniacs is in fact undeserved,
There is a common myth that workplace homicides are prevalent in the United States Postal Service. (Note the phrase “going postal.”) But not counting this event, there has been less than one shooting fatality per year at Postal Service facilities over the last 20 years. As the USPS has more than 700,000 employees, this is a lower rate than the average workplace.