We need those three pale things from that weirdo Tom Cruise was a cop and it was a perfect fit as the movie was weird just like him. They can see the future and keep the bad people from doing bad things.
Okay not really because there has always been, and will always be bad people. Just think back before guns did the ruling heads of state have sword control measures in place determining who can have a blade or not? Lets make it simple cut and dry, felons and wife beaters no guns just like we have now. Everyone is innocent until guilty that includes the nutbags and knuckleheads that have yet to commit their crime that would gain them the terms nutbag and knucklehead.