Following a catastrophic event, such as a “dirty bomb” explosion, the crime scene may have victims, weapons, parts of the “dirty bomb,” as well as RN materials in various degrees of dispersion (intact or distributed). The primary task of the first responders and law enforcement officials would be to assess and secure the crime scene and control the evacuation of the wounded. These are extremely complex tasks for which the first responders are extensively trained. Of paramount importance is the safety of the first responders with respect to radiation hazards while tackling the management of a radiological crime scene. Therefore,...