Keith Mather was born in 1946 in San Mateo, California. He was drafted in the Army in 1967 during the Vietnam War. He completed Basic Training in Fort Lewis, Washington. He did not return after a Christmas break and was considered AWOL. He joined the War Resisters League and the Nine for Peace demonstration at a church in San Francisco, California. He was arrested for going AWOL and imprisoned in the Presidio Stockade. After an Army prison guard shot and killed prisoner Richard Bunch, Mather participated in the Presidio 27 protest on October 14, 1968. After the trial, he escaped the stockade and fled to Canada. He has since returned to the United States and served the remainder of his sentence. In this interview, Mather discusses his early life; education; relationship with his parents; experience being drafted; completing Basic Training; decision to go AWOL; conditions he endured in the Stockade; dynamics between prisoners; the shooting of Filinako Hemphill; the death of Richard Bunch; organizing the Presidio 27 and participating in the protest; the fallout and trial; decision to escape the stockade; fleeing to Canada; reasons for returning to California; serving the remainder of his sentence; and processing the trauma he experienced during the Vietnam War.