A Pew Center report looked at attempted illegal border crossings by Mexican minors . The report counted 11,000 who tried to cross between October 1 and May 31 . Another big difference is that most Mexican underage migrants are males in their late teens , whereas Central Americans come in all ages , some younger than 12 , and the number of girls tends to be higher , '' he said . Fifteen percent of those minors had been caught and deported at least three times . Crime and violence in Mexico are often reasons children leave home for the U.S .
A Pew Center report looked at attempted illegal border crossings by Mexican minors . The report counted 11,000 who tried to cross between October 1 and May 31 . Fifteen percent of those minors had been caught and deported at least three times . Crime and violence in Mexico are often reasons children leave home for the U.S .