 ABC News. I'm Chuck Severson. President Biden must fire the head of the Secret Service, Kim Cheadle, if she doesn't resign over the Trump rally shooting last weekend, says House Speaker Mike Johnson. Director Cheadle has shown the world and said that she has different priorities. She needs to go. Johnson on ABC's This Week. The Secret Service chief is scheduled to testify on Capitol Hill tomorrow. The FBI has recovered a drone that is believed to have been used by the gunman in the Trump shooting to scope out the site before the rally, says a law enforcement official.