High Quality Content by WIKIPEDIA articles! Keith Matthew "Matt" Maupin (July 13, 1983 – c. 2004) was a United States Army Private First Class (PFC) captured by Iraqi insurgents on April 9, 2004, while serving in the Iraq War, after his convoy came under attack by rocket-propelled grenades and small arms fire near Baghdad, Iraq (known as 2004 Iraq KBR convoy ambush).