The sequential release of diverse threat warnings has fostered an attitude in many that the “threat of the week” is the greatest concern. It would seem that not many people remember the threat from only a few weeks past. Terrorists possess a wide range of tactics and an even greater range of targets. Terrorists will use the tactic that guarantees them the greatest impact with the least amount of risk to their operation.

  The goal is to inflict mass casualties or disrupt critical infrastructure Multiple devices, which are generally intended to injure or kill responders, may result in multiple incidents. There may be rapid escalation of the hazards.