Threatening Letters

Letters Mentioning Al-Qaeda Prompt Boston Police To Increase Security Around SchoolsBoston police say they are stepping up security around the city’s public schools after a number of threatening letters were sent to several different schools in the city.
Woman Pleads Guilty To Sending Threatening Letters to Brown, Coakley A New York state woman has pleaded guilty to sending threatening letters containing harmless white powder to officials in Massachusetts.
TX and MA get white powder, hoax letters