He wants his readers to know that Mexico's economy is nowhere near the level of the United States and this causes its people to suffer such torture just to cross the border. In his book, Urrea spends a lot of time on the gangs that offer their services to Mexicans trying to cross the border. These guides or "coyotes" who lead these people, betray them every time the going gets tough or the border patrol comes into sight. Betrayal is a common theme in The Devil's Highway and is a theme that Urrea tries to ingrain in the heads of his readers. Another main point the book focuses on is the dangers of Arizona and the desperation that comes from the deserts there. The heat of deserts and the toll it takes on those who cross it appear frequently in The Devil's Highway. All of these main points that Urrea discusses throughout his story are all similar. In the end, all these main points are used to describe how difficult it is for Mexicans. From Mexico's difficult economy to being easily exploited for money to risking their lives in the hot and deadly Arizona desert, Urrea attempts to solidify the point that these illegal immigrants are human too. He wants his readers to know that these Mexicans are just trying to survive economically like everyone else in the