The UK’s Justice and Home Affairs Opt-outs

We appear to be reaching an extraordinary position, in that the right hon. Gentleman seems to be advocating the free movement of people all around the EU, so that criminals can come and go as they please, but then we need these ridiculous measures to try to deal with that. Why do we not just take a more simplistic approach and scrap the free movement of people? Then perhaps we would not need all these ridiculous measures in the first place.