Summary: Vietnam War veteran who had led the U.S. Army unit accused of killing hundreds of civilians during the Vietnam War when he was a team leader and staff sergeant in the 101st Airborne Division's elite Tiger Force at the time and whose team was accused of mutilating and killing hundreds of unarmed Vietnamese villagers in 1967 after army investigators recommended charging Doyle and 17 others with war crimes, but no action was ever taken.
Cause of Death: Chronic lung disease
Born: January 8, 1933
Died: November 6, 2008
Location: Springfield, Missouri