Buck Barrow partly due to the lobbying efforts of his wife and his mother. Upon his release, March 22, 1933, Buck Barrow, in the company of Blanche, joined his younger brother Clyde, Bonnie Parker, and W. D. Jones in Joplin, Missouri where he participated in several armed robberies. On April 13, 1933, Buck, Clyde, and W. D. Jones participated in a shootout with law enforcement officers at Joplin, Missouri. Two officers, Newton County Constable Wes Harryman and Joplin City Motor Detective Harry McGinnis, were killed. On June 23, 1933, Buck and W. D. Jones killed Alma, Arkansas City Marshal Henry D. Humphrey
Outlaw country Michael Murphey were integral in the birth of Outlaw Country. Other Texans, like Townes Van Zandt, Steve Earle and Guy Clark, have developed the outlaw ethos through their songs and their lifestyles. Although Johnny Cash spent most of his time in Arkansas and Tennessee, he experienced a revival of his career with the outlaw movement, especially after his live albums "At Folsom Prison" and "At San Quentin", both of which were recorded in prisons. Cash had working relationships with Nelson, Jennings and Kris Kristofferson in his later career, culminating in the formation of The Highwaymen; the four would record and