Bert Martin was sentenced for stealing a horse in Keya Paha County. At the prison, Bert worked in the broom factory. One day, Bert's cellmate of eleven months told the prison authorities a secret: Bert was really a woman named Lena Martin. In sparsely settled, Keya Paha County, Lena's masculine appearance allowed her to find work as a cowboy. Prison records show Martin was transferred to the women's' division on September 22, 1901.