pruett killed peggy lowe after he kidnapped her on september 17, 1981 while robbing the metrocenter branch of unifirst bank (later trustmark national bank) in jackson, mississippi where she worked; bobbie jean robertson, a convenience store clerk in fort smith, arkansas; and two convenience store clerks in colorado. he received a life sentence for lowe's murder, two more life sentences for the murders in colorado, and the death penalty for robertson's murder.