Secret Service agents and managers have engaged in sexual misconduct across 17 countries in recent years.

Whistle-blowers disclosed the information to members of the Senate Homeland Security Committee Thursday, according to The Washington Post

Two unidentified people who were briefed on the whistle-blowers’ accounts said agents and managers have hired prostitutes, engaged in extramarital affairs, visited brothels, and have had one-night stands and relationships with foreign nationals, the Post said Thursday. 

Sen. Ron JohnsonRonald (Ron) Harold JohnsonTrump spars with GOP lawmakers on steel tariffs Overnight Regulation: Trump unveils budget | Sharp cuts proposed for EPA, HHS | Trump aims to speed environmental reviews | Officials propose repealing most of methane leak rule Trump budget seeks savings through ObamaCare repeal MORE (R-Wis.) said their accounts contradict what the agency has assured before — that it doesn’t tolerate improper sexual behavior, the report said.

On Wednesday, the Post reported two supervising agents had been removed from President Obama’s detail after allegedly sending sexually explicit emails to a female agent. 

Ignacio Zamora Jr. was one of them. He led the investigation into the agency’s April 2012 prostitution scandal in Cartagena. 

Zamora, according to the latest reports, met a woman in the Hay-Adams Hotel near the White House a few months ago and went to her room. The woman was reportedly worried about the firearm he was carrying, so he removed its clip and bullet. He then left the bullet behind in the hotel room.

Rep. Michael McCaul (R-Texas), chairman of the House Homeland Security Committee, told ABC News Thursday the agent put the president at risk, and that Obama deserves better.

“In this case, Secret Service has information about the president’s closest security details,” McCaul said. “That kind of information, if compromised, can be lethal to the presidency.”

Secret Service spokesman Ed Donovan responded to the allegations in a statement to ABC News.

“The Secret Service takes allegations of improper behavior seriously and works diligently to investigate and resolve issues,” Donovan said.

“Any misconduct is regrettable, but when it is identified, appropriate action is always taken based on established rules and regulations.”