But the Trump administration and U.S. Park Police (an agency with a loooong history of being the bad guys when it comes to protest) keep making those false claims. So The Washington Post went to other officials who were in on the planning, and found that, yup, the Trump administration and Park Police are lying, specifically and in particular about the claim that there was a plan in place to expand the security perimeter before Trump’s decision to do a photo op outside St. John’s Church.
Source: Officials blow big holes in Trump administration story about violent clearing of Lafayette Square : Daily Kos