In his brief criminal career, he committed numerous bank heists in Michigan, Ohio, Kentucky and Oklahoma, and teamed up with George Birdwell and Pretty Boy Floyd during the early 1930s.
On September 2, Miller escaped from custody while imprisoned in Lucas County, Ohio, and fled to Oklahoma where he eventually joined up with George Birdwell and Pretty Boy Floyd.
While Miller and Floyd headed for Kansas City shortly afterwards, Birdwell choosing to remain in Oklahoma, they began dating sisters Rose Ash and Beulah Baird.
On March 25, Miller and Floyd murdered the brothers William and Wallace Ash, and left their bodies in a car which was found on the outskirts of town days later.
[1] Miller and Floyd headed east, robbing a bank in Elliston, Kentucky, for $2,262 on April 6 and, turning back west, raided another in Whitehouse, Ohio, for $1,600 eight days later.