The Secret Service director reports directly to the Secretary of Homeland Security, Kirstjen Nielsen, who resigned on Sunday amid growing pressure from the President. The director oversees the Secret Service’s work on both protection and investigations
Director of The Secret Service has been fired by Trump.
https://www.cnn.com/2019/04/08/politics/randolph-tex-alles-secret-service-director
Head of DHS Kirstjen Nielen resigns.
https://www.cnn.com/2019/04/08/politics/kirstjen-nielsen-last-days-dhs/index