THRILLER-LEGAL:  While trying three defendants for robbery, Joanne Kuhlman discovers a far more serious crime may be unfolding. One of the defendants is developmentally disabled. His attorney and mother insist he was cruelly exploited by his crime partners. When the young man disappears, Joanne fears he may have been murdered in a ruthless act to silence him. Her sympathies for this defendant lead her to entangle herself with his attractive attorney and compromise her career so the truth may be revealed.