AdvertisementDHS Asks Other Federal Agencies To Send Civilian Law Enforcement Officers to BorderNovember 30, 2018Richard GonzalesTom BowmanBill ChappellfacebookEmailA street candy seller walks along the U.S.-Mexico border fence in Mexicali, Mexico, while U.S. Army soldiers fortify it with barbed wire. Defense Secretary Jim Mattis is likely to reduce the number of active-duty U.S. troops who are currently deployed at the Mexico border, from around 5,900 to around 4,000. (VIEW press/Corbis via Getty Images)