[arthurus]

Capture and trial of the perps will cause an explosion of such incidents. Proliferation is inevitible and will proceed faster after someone is killed or seriously injured.

[KingofQue]

The only way to fight them is to destroy something precious to them. If they destroy a car lot of SUV's poison a river and kill all the fish. If they burn down a housing development, girdle 5000 old forest trees. Tit for tat until they lose.