 One theory involves the accusation that O'Kelley had stolen Ford's diamond ring, and the dispute escalated.O'Kelley was initially imprisoned for life, though his sentence was later reduced to 18 years; in the end, O'Kelley only served around 9 years at the Colorado State Penitentiary before being released because of a 7,000-signature petition in favor of his release and a medical condition.After his release, O'Kelley moved to Oklahoma City.