According to the study team, more than 60% of the border in Arizona is now covered by bollard-style barriers, which range in height from 18 to 30 feet. The U.S. Fish and Wildlife Service did not ...

McALLEN, Texas (Border Report) — A new study says U.S. and Mexican collaboration is essential to halting illegal immigration at the border, and it credits Mexico for helping to reduce crossings at the ...

Extreme weather caused by climate change has contributed to illegal migration at the U.S.-Mexico border, according to a new study. More AP Photo/Moises Castillo They also analyzed 84 of Mexico's ...

McALLEN, Texas (Border Report) — A new study says U.S. and Mexican collaboration is essential to halting illegal immigration at the border, and it credits Mexico for helping to reduce crossings ...