Lawyers and supporters are making a frantic, final push to save the life of Robert Roberson with a month left before his planned execution. More than 80 Texas lawmakers gathered in the state Capitol on Tuesday to bring new pressure and attention to what they say is the wrongful murder conviction of Roberson in the death of his 2-year-old daughter,

Next month, a man is scheduled to be executed by the state for the murder of his daughter, after two decades on death row. A growing coalition of advocates says he is not only innocent but that no crime took place.

Grisham, whose legal thrillers have been adapted into popular Hollywood films, spoke out about a man who has spent more than 20 years on death row in Texas for fatally shaking his two-year-old daughter.