Peter Strzok

Peter Paul Strzok II (, like "struck"; born March 7, 1970) is a former United States Federal Bureau of Investigation (FBI) agent.
Strzok was the Chief of the Counterespionage Section and led the FBI's investigation into Hillary Clinton's use of a personal email server.
In June and July 2017, Strzok worked on Robert Mueller's Special Counsel investigation into any links between Donald Trump's presidential campaign and the Russian government. Mueller removed Strzok from the Russia investigation when Mueller found out of criticisms of Trump in personal text messages between Strzok and a colleague.