Aaron Pierce was the Secret Service's special agent in charge of the Presidential Protection Detail who was tasked with protecting many Presidents throughout his tenure. Prior to and during Day 1, he was a bodyguard for Senator David Palmer during his Presidential campaign. Pierce continued to be detailed with Palmer, who was President through Days 2 and 3, and remained loyal to Palmer even after he was unseated by Vice President Jim Prescott. During Day 4, Pierce was again in the bodyguard detail in Washington, D.C., and helped identify the assassin Mandy for President Charles Logan and his new advisor, former President Palmer. Eighteen months later, Aaron saved First Lady Martha Logan, Russian President Yuri Suvarov, and Anya Suvarov from a terrorist motorcade ambush. He was also instrum