One of the guards was shot through the heart and died instantly and three inmates died in the ensuing shootout with the other two guards.
Inmates called out to the guards saying that a prisoner was ill and had to be taken to the infirmary. When three guards entered the cell to escort the prisoner to the infirmary, three inmates opened fire with .38 caliber revolvers.
When three guards entered the cell to escort the prisoner to the infirmary, three inmates opened fire with .38-caliber revolvers.