On April 21, 1930--Easter Monday--some rags caught fire under the Ohio Penitentiary's dry and aging wooden roof, shortly after inmates had returned to their locked cells after supper. In less than an hour, 320 men who came from all corners of Prohibition-era America and from as far away as Russia had succumbed to fire and smoke in what remains the deadliest prison disaster in United States history. Within 24 hours, moviegoers were watching...