Follow along as border patrol agents hunt down drug runners and illegal immigrants trying to cross the border and sneak into the U.S. any way they possibly can.

In the Rio Grande Valley, money has become something of a drug — corrupting people's lives and luring them into believing in its broken promises. Officers at the Brownsville Port of Entry are performing a “blitz” enforcement operation — random searches for contraband — to deter the onslaught of smugglers. In nearby Laredo, Lucky and the narcotics unit hunt down desperate heroin dealers who are selling hits of black tar in school zones for $20.