Many of the most caring people in the U.S. think they are helping the poor from Latin America by leaving our Southwest border wide open between ports-of-entry, but they are not. Several of the transnational criminal organizations (cartels) operating in Central America and Mexico make an estimated one-third or more of their profits from illegal immigration. Specifically, two groups below Texas, the Gulf and Los Zetas cartels, are largely fueled by the trafficking and smuggling of human beings.