(CNN) — The Trump Justice Department is investigating whether Washington, DC’s Metropolitan Police Department manipulated crime data, according to two sources.

The investigation, which is being run by the US attorney’s office in DC, is an escalation in the city’s battle against a federal law enforcement takeover from the Trump administration.

President Donald Trump appeared to confirm the probe in a social media post , writing that “D.C. gave Fake Crime numbers in order to create a false illusion of safety. This is a very bad and dangerous thing to do, and they are under serious investigation for so doing!”

The New York Times was first to report the investigation.

The Justice Department declined to comment on the investigation. CNN has reached out to Washington, DC, Mayor Muriel B

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