Since U.S. President Joe Biden took office, federal immigration officials have noted a sharp decline in arrests and deportations of illegal immigrants. This is after the new administration rearranges migration enforcement in the U.S.

Biden has included a 100-day deportation moratorium on his key campaign promises, which means undoing previous policy in the U.S. Immigration and Customs Enforcement.

ICE's arrests have declined by about two-thirds in March as compared with the monthly tallies made toward the last hitch of the Trump administration, The Wallstreet Journal report.

Meanwhile, deportations fell by about 50 percent, with immigrants in detention falling to 14,000 in March, compared to 56,000 in 2019.

Biden has unraveled some of the migration policy in the Trump administration. With this comes the influx in the number of migrants illegally crossing the border.

READ MORE: Trump Blames Biden for the Border Mess, Says It Will 'Destroy Our Country'

Migrants Crossing the Border

Texas Congressman Henry Cuellar said on Sunday that the U.S. Customs and Border Protection facilities will remain overwhelmed as the current administration faces the surge, which are majorly composed of unaccompanied children.

Cuellar said that the Border Patrol does not want to keep people inside the facility longer than 72 hours. However, there are factors coming into play.

"There's a large number of people coming across every single day, groups of over 100 individuals coming in into the Border Patrol custody, number one," Cuellar was quoted in a CBS News report.

Another factor was that they are trying to get more shelters open.

Cuellar added that 2,000 migrants have been allowed to be inside the U.S. without a notice to be in an immigration court.

Cuellar said that they were supposed to show up in 60 days and report to an ICE office.

Last month, the Biden administration ended a policy that allowed undocumented immigrants to be arrested when they came to pick up unaccompanied migrant children, according to a Daily Mail report.

A senior administration official said that there will be no immigration enforcement consequences for a family member or sponsor who will come forward to claim the children.

Among the potential sponsors that were arrested, 70 percent were direct immigration violations. This means that the sponsors were found to be undocumented immigrants.

One smuggler said that despite the risk of being deported, they still want to try crossing the border, claiming that family members in the U.S. told them to keep trying.

The said smuggler said that each try costs around $1,000, which includes ladders to scale the wall and peepholes to observe border patrol.

He said that 80 to 100 people have paid him to cross the border in just six months, according to another CBS News report.

"They see him as the migrant president, and so many feel they're going to reach the United States," Mexican President Andres Manuel Lopez Obrador was quoted in a New York Post report.

Meanwhile, deported migrants said they thought Biden would let them stay in America.

Honduran resident Gladys Oneida Pérez Cruz said that Biden would be a good president for migrants.

Biden's immigration actions have earned criticisms from some Republicans, saying that the current administration is abdicating the U.S. government to enforce immigration laws.

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WATCH: Biden administration reportedly preparing new rules limiting ICE arrests and deportations - from CBS News