You can almost hear a pin drop at the border. Border crossings have plummeted to levels not seen in decades this month following President’s Trump’s swift crackdown on illegal immigration across the southwest, The Post can reveal. So far in February, about 359 illegal migrants per day have been caught across the entire southern border — down more than 90% from February 2024, according to leaked Customs and Border Protection data. That puts the US on track to have the lowest monthly border crossings in at least 25 years. If the trend continues, the number of illegal migrants coming into...