Modus operandi is used to describe the methods employed by individuals during
the execution of a crime. It opens a whole new range of options to the
terrorists that were previously considered unthinkable and probably the most
troubling of these options is the use of chemical, biological, or nuclear
weapons. Compared to a classical car bomb or suicide attack, the new modus
operandi or tactic to attack soft targets, including major landmarks and also
kill foregin nationals has the advantage for the terrorists of remaining in the
news for a much longer time. It has also a much higher psychological value on
the population. The work examine