Republican presidential nominee Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE on Monday now has the backing of the union that represents 5,000 federal immigration officers and law enforcement support staff.

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The National Immigration and Customs Enforcement Council made its first endorsement for a candidate running for an elected office, the Trump campaign said Monday.

Chris Crane, the president of the National ICE Council, described the men and women of Immigration and Customs Enforcement as the "last line of defense for American communities."

"Our 5,000 officers, underfunded and undermanned, are responsible for enforcing immigration laws in a nation of 320 million people," Crane said in a statement.

"Our officers come into daily contact with many of the most dangerous people in the world - cartel members, gang members, weapons traffickers, murder suspects, drug dealers, suspects of violent assault - yet ICE Officers are unable to arrest or are forced to release many of the most dangerous back into U.S. communities due to unscrupulous political agendas and corrupt leaders."

"Our officers are prevented from enforcing the most basic immigration laws, including laws against illegal work, illegal entry, illegal overstay and also the public charge law," he said in the statement.

Crane called the immigration plan put forth by Clinton the "most radical immigration agenda proposal in U.S. history."

He said her plan would result in thousands of American deaths and an "uncontrollable flood of illegal immigrations across U.S. borders" and framed her proposal as "total amnesty plus open borders."

Crane also contrasted the Democratic nominee's immigration plans and those of her Republican rival, who has made immigration a centerpiece of his presidential campaign.

"In his immigration policy, he has outlined core policies needed to restore immigration security -- including support for increased interior enforcement and border security, an end to Sanctuary Cities, an end to catch-and-release, mandatory detainers, and the canceling of executive amnesty and non-enforcement directives," Crane said.

Crane said Americans have been lied to about the U.S. immigration system.

"Donald Trump is the only candidate who is willing to put politics aside so that we can achieve that goal," Crane said.