Washington (CNN) Victorina Morales, a cleaner who spent years working at one of President Donald Trump's golf clubs, risked deportation by outing herself as an undocumented worker to the New York Times in December -- but now she's asking Congress for protection.

Along with three other former club workers, Morales arrived in Washington this week to meet with lawmakers, who they hope will launch an investigation into Trump Organization hiring practices and shield them from Immigration and Customs Enforcement, the enforcement arm of the Department of Homeland Security.

The group met Tuesday with New Jersey Democratic Sens. Cory Booker and Robert Menendez.

Menendez said after the meeting that he'd "raise concerns" with federal agencies about ensuring their status is not affected "negatively."

"[The workers] really speak volumes about the hypocrisy of the president who rails against immigrants but uses their labor and does so in a way, and an in an environment, as I understand it, that was hostile to them and threatening to them," Menendez said in remarks to reporters Tuesday.

From left, Margarita Cruz, Victorina Morales, Sandra Diaz and Gabriel Sedano speak with Sen. Bob Menendez in his office in Washington.

The Washington Post reported this past weekend that a dozen undocumented workers had been fired from the Trump National Golf Club in Westchester, New York. The New York Times first reported in December that another Trump club in Bedminster, New Jersey, employed Victorina Morales , an undocumented worker originally from Guatemala.

A spokeswoman for the Trump Organization responded to a request for comment by providing a statement previously issued by Eric Trump: "We have tens of thousands of employees across our properties and have very strict hiring practices. If any employee submitted false documentation in an attempt to circumvent the law, they will be terminated immediately. We take this issue very seriously. This is one of the reasons my father is fighting so hard for immigration reform. The system is broken."

But Morales, who entered the US illegally in 1999, said in an interview with CNN that she had no problem getting hired by the club.

She began working at the Trump National Golf Club in Bedminster as a housekeeper in 2013. Morales said that club managers helped her obtain fake documents, saying that they took her photo for the documents in the laundry room.

Victorina Morales, an undocumented worker originally from Guatemala, worked at the Trump National Golf Club in Bedminster, New Jersey.

But an increasingly hostile environment since Trump's election, as well as what she describes as abuse by her supervisor, put her over the edge -- and as a result, inspired to share her story publicly.

"I was tired, there were many insults," Morales said. Former colleagues have since cut off contact with her, she added.

The descriptions the former employees at Trump's golf clubs gave about how they obtained their positions are similar: They came in, provided paperwork and were asked to come to work almost immediately after.

Gabriel Sedano, a former maintenance worker at Trump's golf club in Westchester, told CNN he began working for the club in 2005 and was always treated well. He was discouraged by Trump's rhetoric during the 2016 campaign, and expected there might be a wave of change after Trump was elected but nothing happened.

"[His remarks] bothered a lot of people," said Sedano, who was among those who called on Menendez. "We come to work and we work hard."

Then, on January 18, he was among about a dozen employees at the club in Westchester who were fired over their work status, he said.

"It seemed unjust that they just call you and they fire you when they knew we were good workers," he said.

Lawyer David Leopold joins the undocumented workers for their meetings on Capitol Hill.

A lawyer who joined the workers in their meetings on Capitol Hill said any effort to deport those who have come forward could amount to obstruction of justice.

"If they get removed from the US, that is obstruction of justice because these are witnesses and that's what we're talking about on Capitol Hill and they've been very responsive," said David Leopold, a partner with Ulmer & Berne who chairs the firm's immigration practice.

"This isn't just limited to Bedminster or Westchester," he added.

The group visiting Capitol Hill also included Sandra Diaz, who was undocumented while she worked at Bedminster between 2010 and 2013, but has since become a legal resident of the United States.

Along with Booker and Menendez, they also met with Arizona Democratic Rep. Raul Grijalva and freshman New Jersey Democratic Rep. Tom Malinowski.

The claims come amid Trump's ongoing crackdown on immigration from Mexico and Central America, which triggered a historic 35-day partial government shutdown over his request for $5.7 billion in funding for a border wall.

Sandra Diaz, left, and Victorina Morales stand by as Sen. Bob Menendez delivers remarks to reporters.

Despite his anti-immigrant rhetoric, Trump has sought foreign workers for his properties in the past. His Mar-a-Lago club in Palm Beach, Florida, and his golf course in Jupiter, Florida, filed documents in 2017 to bring in additional foreign workers legally under the H-2B visa program.

Trump's golf clubs in New Jersey and New York do not participate in the federal E-Verify system, which is designed to help employers confirm that applicants are legally permitted to work in the US.

New Jersey lawyer Anibal Romero is representing about 20 workers who are, or were, undocumented during their employment at Trump's golf clubs.

"It isn't illegal to work in the US, but it is illegal to knowingly hire undocumented immigrants and then [for] supervisors to physically assault them, threaten them with deportation," he told CNN. "We need a complete, thorough investigation."

He added: "Apparently there was a two-tier system - documented immigrants and undocumented immigrants. Undocumented immigrants were treated differently."