I would say the answer is a civil case. Those usually deal with contracts and torts.
One method,if my understanding is correct, is to attack by surpirse or to kill as many people as possible.
By doing that, the killing of numerous/millions of people, usually end on on planes, buildings... That type of stuff.
They usually do bombing of large areas.
~Hope this helped :)
C. The north coast of Africa
I hope it was helpful