<Ul> <Li> Nelson: Have you ever gone on a killing spree? </Li> <Li> Postmaster Bill: (laughing) Ho ho ho, nooo noo, the day of the gun toting disgruntled postman shooting up the place went out with the Macarena . </Li> </Ul> <Li> Nelson: Have you ever gone on a killing spree? </Li> <Li> Postmaster Bill: (laughing) Ho ho ho, nooo noo, the day of the gun toting disgruntled postman shooting up the place went out with the Macarena . </Li> <P> In the Brooklyn Nine - Nine episode USPIS, a self - righteous United States Postal Inspection Service agent passionate about his job is adamant that "going postal" is the term most associated with bringing goodness into people's lives, which is a view also shared by his co-workers . </P>

What did the postal staff do when they read the letter