According to the source not authorized to speak to the media, the shutdown will begin at 12 am local time on Friday and last until an orderly process to deal with the migrants at the makeshift camp is established. The immigration checkpoints are the last line of defense for the Border Patrol.
In addition to a brief citizenship inspection at the checkpoints, Border Patrol deploys K-9s trained to detect concealed humans and narcotics. Non-Intrusive backscatter X-ray inspections of vehicles are used to scan for concealed cargo as well. Radiation detection equipment is used to look for radioactive materials.
Three checkpoints will be closed to allow full staffing reallocation to the Haitian bridge crisis. Two more will close for vehicle inspections but will still be used to process and detain migrants.
The sector's busiest checkpoint just outside Eagle Pass sees at least 25,000 vehicles weekly.
The source says the agency will be transferring a senior level manager from outside the sector to oversee the crisis at the makeshift camp. The source believes these changes are a sign that the Border Patrol will attempt to deal with the crisis using mostly in-agency resources.
Meanwhile, the source complaints that smugglers will not need to use back roads or walk migrants around inspection stations to illegally move migrants into the U.S.
The makeshift camp receives hundreds of migrants per hour.
Randy Clark is a 32-year veteran of the United States Border Patrol. Prior to his retirement, he served as the Division Chief for Law Enforcement Operations, directing operations for nine Border Patrol Stations within the Del Rio, Texas, Sector. Follow him on Twitter @RandyClarkBBTX.