These fences do not all connect to form one continuous line. There are some areas that have no fencing at all. But US Border Patrol agents have all sorts of high-tech surveillance equipment to ...

Trump administration officials tell Fox 85 miles of new border ... one project along the Rio Grande in Texas. Over the past week, Fox has spotted work crews plugging gaps in the existing wall line ...

There are many crossing points along the heavily guarded frontier, but most of them remain closed for limited trade, travel.