The White House has dismissed a Washington Post report released Wednesday that suggests it received evidence of an aide's involvement in the 2012 Columbia prostitution scandal and disregarded it.

White House spokesperson Josh Earnest responded to the report and took to Twitter Wednesday night, claiming the allegations had already been investigated two years ago and were subsequently dismissed.

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Based on the report, the Secret Service -- on two separate occasions -- had forwarded documents to senior officials containing evidence that White House volunteer Jonathan Dach had signed for a prostitute to stay overnight in his room at the Hilton Cartagena Hotel on April 4, 2012.

At the time, senior White House officials including then-counsel Kathryn Ruemmler said Dach had done nothing wrong. Aside from interviewing him and his fellow volunteers, there was nothing the White House could do since the Dach was not a government employee, the report relayed.

Ruemmler believed it would have created a scandal if the government had sent a team to Columbia to investigate the issue since the allegation isn't a criminal act, an unnamed senior official said. Prostitution is considered legal in Cartagena.

Meanwhile, new information on the two-year-old allegation also suggests the Department of Homeland Security (DHS) inspector general's office was instructed by superiors to withhold evidence, according to the Washington Post. 

David Nieland, who was the DHS' lead investigator at the time, said they were instructed to delay the submission of the results of the investigation untl after the elections. He was also directed to "withhold and alter certain information" that could hurt and embarrass the administration.

Eric Schultz, another White House spokesperson, denied the allegations. He cited an April report from the inspector general's office that failed to corroborate Nieland's claims that he was directed to alter parts of his report for political concessions.

Dach's involvment in thr 2012 Columbia prostitution scandal remains unclear. He maintains he has neither hired nor brought a prostitute to his hotel room.

TagsSecret Service, Prostitution scandal in columbia, White house scandal, Department of Homeland Security, Cartagena, Secret Service scandal