The road to the United States goes through Mexico for Central Americans . Comment: Experts note that these are only the migrants who get caught , and that many -- even most -- are not apprehended . Thousands of migrants are abused each years by smugglers and drug cartels . Human smuggling may be a $ 20 billion business in Mexico .
The road to the United States goes through Mexico for Central Americans . Comment: Thousands of migrants are abused each years by smugglers and drug cartels . Human smuggling may be a $ 20 billion business in Mexico .