The mother of Mollie Tibbetts, a 20-year-old Iowa college student who was allegedly murdered earlier this year by an immigrant residing the U.S. illegally, adopted the child of Mexican immigrants who fled town after the man accused of killing her daughter was arrested.

Laura Calderwood told The Washington Post in an interview published Friday that she had taken in Ulises Felix, 17, after his parents fled town following Cristhian Bahena Rivera's arrest.

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Felix wanted to remain in Brooklyn, Iowa, to finish high school, according to the paper. Calderwood took in Felix in his parents' absence. He now lives with her son, Tibbetts’s younger brother, Scott.

The Post reported that Felix's parents had worked alongside Rivera at the same dairy farm for years. Felix told the paper that his parents "took care of" Rivera "for a while," adding that his mother fed him every day.

“He was so busy sending money back to his parents, trying to help them build a house," Felix said.

Calderwood told Felix she was unaware of the relationship between his family and Rivera, asking Felix whether Rivera had any family in the country. Felix responded that he knew only of Rivera having an uncle and aunt.

“I mean, that’s…” Calderwood began. “I’m glad he had someone as a mother figure to look after him,” she said, referring to Felix's mother. “If he didn’t have any family here to speak of.”

Calderwood, a lifelong liberal, according to the Post, told the paper that she hated hearing President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE say her daughter's name in the days after her death. Trump, after Tibbetts's death, accused Rivera of being an “illegal alien.”

“You heard about today with the illegal alien coming in, very sadly, from Mexico and you saw what happened to that incredible, beautiful young woman,” he said at the time. “Should’ve never happened. … The laws are so bad, the immigration laws are such a disgrace. We’re getting it changed, but we have to get more Republicans.”

Tibbetts's body was found in August after she had been missing for more than a month.

She disappeared while jogging in the town of Brooklyn, Iowa. Her cause of death in a preliminary report was listed as a "homicide resulting from multiple sharp force injuries," the Iowa State Medical Examiner told CNN.

Her killing reignited the debate on immigration policies, with the Trump administration seizing on Tibbetts's death to call for stricter immigration laws.

Tibbetts's family has issued calls urging lawmakers not to use her death as a "pawn" in the immigration debate.