Agents in the sector, which extends inland 316 river miles from the Texas Gulf Coast, encountered 1,909 migrants on Friday, with another 262 detected on sensors though getting away because there's simply now enough manpower, a Department of Homeland Security source told Fox News.
The sector has seen a rise in illegal crossings, and this week agents there apprehended four MS-13 gang members and two migrants beforehand arrested on sex crime charges.
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Over the 12 months ending October 1, more than 1.7 million migrants have been encountered on the U.S. southern border, that includes over 192,000 in September alone.
The surge in illegal migration has led to criticism of President Joe Biden, who ended many border policies established under the Trump administration.
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On Wednesday, Texas Governor Greg Abbott blamed Biden for turning "a blind eye'" to the growing difficulties on the southern border while showing concern for the refugee disaster along the Belarusian-Polish border in Eastern Europe.
"President Biden's concern for other nations' borders, while he turns a blind eye to the United States' borders that he swore to protect and defend, is appalling," Abbott's Press Secretary Renae Eze told the DailyMail
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"His reckless open border policies have created an ongoing crisis along our southern border, leading to a 61-year record-high number of illegal immigrants surging into our state."
The record-breaking figure of migrants has overwhelmed state and local officials who have been pleading for help from the Biden administration and spurred more concern over the spread of COVID-19.
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Abbott's press secretary insists the Lone Star state was forced to "step up" to secure the border while Biden's government was "absent."
"Texas continues stepping up to secure our southern border and protect Texans in the federal government's absence," Eze announced.
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"Since Governor Abbott launched Operation Lone Star in March, the National Guard and DPS have apprehended over 76,000 migrants and arrested over 8,800 who committed a state or federal crime, including smugglers and human traffickers, to crack down on illegal crossings of migrants coming from over 150 countries around the world."
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Replying to a request for comment, a White House National Security Council official condemned the situation in Belarus and explained that the Biden administration would be adding "follow-up sanctions" to punish the autocratic regime.
"We are deeply concerned by the Lukashenka regime's inhumane actions and strongly condemn their callous exploitation and coercion of vulnerable people," the official stated.