The fencing was installed in November 2018 in the US – Mexican border. The fencing is made of concertina wire. Recently the mexican officials reported to the San Diego’s KUSI – TV that people are stealing the border materials and selling it to the Mexicans for their home security. The fencing extends to about 700 miles. President Trump is now trying to replace the fencing with a wall. The border dispute has been happening for decades from 1846