WASHINGTON D.C. -- A man who worked at many U.S. Representatives' offices, including Rep. Andre Carson's (D-Indianapolis) was fired amid an investigation by Capitol Police.

The man, who has not been identified, is one of three brothers who provided IT services to at least 20 Congressional offices in Washington D.C. One of those three worked at Carson's office.

Capitol Police notified the offices that the brothers were being investigated on Feb. 1, a spokesperson from Carson's office said. The nature of the investigation is not known.

The three employees were not allowed on Capitol Hill during the investigation.

The one who worked for Carson's office has been fired, the spokesperson said.

On Feb. 2, Politico reported that five House employees were under investigation. According to Politico, the five employees are accused of stealing equipment from more than 20 offices and of accessing House IT systems without the lawmakers' knowledge.

It is unknown if the two incidents are related.

Carson's office released the following statement: