Project Hostile Intent is not a law but a program that utilizes software to determine if the way a person dresses or behaves means they are more or less likely to present a threat. Now we are depending on computers!
That is insane!!!
http://www.theregister.co.uk/2007/08/09/no_not_the_mind_probe_again/ Project Hostile Intent is and can be used in real time http://www.apa.org/ppo/dhstestimonyfy07.pdf
