TragicMonkey
Poisoned Waffles
I knew there was a name for such laws: Son of Sam laws.
http://en.wikipedia.org/wiki/Son_of_Sam_laws
http://en.wikipedia.org/wiki/Son_of_Sam_laws
Though the New York law was struck down, many such laws still exist in other states, mostly because they are so rarely invoked. The Supreme Court ruling actually stated that Son of Sam laws could conceivably be constitutional, but only if written very carefully with regard to First Amendment concerns; most of the remaining Son of Sam laws are not.