I am often involved in assessing workplace threats.  I was recently involved in a fascinating project that concerned a serious act of violence arising in the workplace, one with national security implications.  In 2010, I was appointed to the Expert Behavioral Analysis Panel for the investigation of the 2001 anthrax attacks, referred to as Amerithrax. As you may recall, shortly after the terrorist attacks of September 11, 2001, media outlets and members of Congress received letters containing…