‘Cavalier and aggressive’: why are border agents flooding into US cities?

Border agents have become a key force in Trump's migrant crackdown - operating far from their traditional rural range

Border patrol officers have become ubiquitous footsoldiers in Donald Trump's mass deportation plan, and lawyers and human rights advocates worry that the agency is expanding its aggressive tactics into cities far from its conventional range.

Led by Gregory Bovino, a particularly hardline Customs and Border Protection (CBP) sector chief from southern California, border patrol agents have become a daily presence in several major cities across the US.