”Poor Mexico, you are too far from God and too close to the United States.” If someone asks where is the place in the world with the highest frequency of homicides due to the proliferation of guns, the answer may be in northern Mexico, which is separated from Texas in the United States border. 　　In fact, the problem of the inflow of illegal weapons has existed since the beginning of the Mexican War of Independence. It can be said that the blood of violence has been flowing in Mexico since the birth of the country. 　　Mexico is the only land route from Central American countries to the United States. A…