Stephen "Scott" Helvenston (June 21, 1965 – March 31, 2004) was a United States Navy SEAL. He was working as a security contractor for Blackwater Security when he was killed in the 31 March 2004 Fallujah ambush within days of arriving in Iraq. Helvenston's great-great-uncle was Secretary of War Elihu Root. Helvenston began training at Blackwater USA's facilities in March 2004, and developed a personal conflict with head trainer Justin "Shrek" McQuown. Helvenston arrived in Kuwait on March 18, where he was under the management of John and Kathy Potter, whom he knew from Combat Missions.