It is a “group release” experienced in the middle of a shift charge geekosystem.com reported.
That is the second time doors of the maximum security wing of the prison opened this month. Proper authorities said, it could have been a computer glitch.
Video surveillance also appears that the prisoners knew in advance that the doors were going to happen.
The prison uses an automated system form, an Alabama company called Black Creek Integrated Systems. The system is made supposedly to allow guards to easily open every door at once for a head count and not for maximum security areas.