The final door was corrugated iron, similar to the entrance on the Mexican side.
American officials hope that the boom on the Mexican side will reduce illegal immigration.
It should not cost more than $2,000, he said, to go from the Mexican side of the border to Phoenix.
On the Mexican side, especially, many people wish there were no barriers of any kind between the two countries.
Graffiti has already begun to appear on the Mexican side.
They were still on the Mexican side, heading north, but distance could be deceiving in the desert, and especially after dark.
About two dozen children on the Mexican side, some American citizens, are cut off from the only school.
The agents acknowledge they do little to stop the migrants on the Mexican side.
Town on the Mexican side of the border with California.
On the Mexican side, they are more demanding and quick to anger when the team does not perform as expected.
