The Venezuelan government has sent thousands of soldiers along the border with Colombia. They are shutting down legal crossings at night to patrol secret paths they say traffickers use to move massive amounts of Venezuelan subsidised goods, like food and gasoline, into Colombia for huge profits.
Alessandro Rampietti went on a night run with the soldiers policing the frontier in Venezuela's Tachira state.
Watch each week at the following times GMT: Friday: 2230; Saturday: 0930; Sunday: 0330; Monday: 1630. Click here for more Counting the Cost .
Follow Kamahl Santamaria @KamahlAJE and business editor Abid Ali @abidoliverali .
Source: Al Jazeera