Noelia, law enforcement! The best way to do this, is to become a police dispatcher. Apply in Mission. And the. Apply in the entire Rio Grande Valley, until you get hired. Listen to the scanner first. Http://Broadcastify.com/ Go to Global feeds/U.S./State/County. You should see yours clearly. A friend of mine in North Texas, was a dispatcher first, for two separate departments. Then he became a sergeant and a SWAT member, in Dallas.