Not only Pakistani men. All men from other countries, Europe, Middle, Far East, Africa, anywhere should be returned to the home country.
If it was made clear to them wether the come by lane, train or small boat, it might influence behaviour. We have enough perverts of our own, we don’t need to import them en masse.
By the way, message to judges.
Not knowing the law has never been an excuse for committing crime. Please remember this when foreign sex offenders are being sentenced.