most states? its very illegal to use in any states!

its funny to think about but if your seriously wanting to do this stuff on the streets or to other people on the streets i think you should get one of these!
http://www.google.com/search?hl=en&safe=off&client=firefox-a&rls=org.mozilla%3Aen-US%3Aunofficial&hs=b20&num=100&q=psychological+evaluation&aq=f&oq=&aqi=