Earlier this summer, protests against police brutality took over the country after the killing of George Floyd. And on June 1, federal forces cleared the park in front of the White House to allow the president to visit the historic St. John Episcopal Church, in a show of force that shook the world. Now, House Democrats want to know if Park Police, which is run by the National Park Service, used tear gas as they cleared Lafayette square. POLITICO’s Zack Colman, on what the House Natural Resources Committee will hear. Anthony Adragna is an energy reporter for POLITICO.Carlos Prieto is a Politico podcast producer.Jenny Ament is the senior producer of POLITICO audio.Irene Noguchi is the executive producer of POLITICO audio. Learn more about your ad choices. Visit megaphone.fm/adchoices