National Geographic is re-airing three episodes of Border Wars this week, the reality show that features CBP.
"City Under Siege" airs tonight at 7 p.m. EDT, and is repeated at 2 a.m.
"The Front Lines" airs Wednesday at 7 p.m. and repeats at 2 a.m.
"Dead of Night" will be shown Thursday 7p.m., and repeats at 2 a.m.
The show is a revealing look at how CBP personnel secure the challenging terrain on the southwest border of the United States.