Illegal Chinese migrants have learned how to enter the US through a small gap in the southern border fence after watching step-by-step instructions on TikTok, an investigation has revealed. The southern border in Texas has seen a surge of migrants with US Customs and Border Protection recording 1.5 million instances of detaining or turning away people attempting to cross the border last year. It has been reported that one of the fastest growing groups moving into the US are Chinese migrants. Many have been spotted coming through a four-foot gap at the end of a border fence 60 miles east of San…