Most commonly, a prison lockdown means that the inmates must remain within their cells for either an entire day or until a particularly violent situation is resolved. Prison lockdown may sometimes only apply to certain wings or blocks of a penitentiary, though when a full prison lockdown is ordered, the entire facility is affected. A normal lockdown can usually occur for only a certain amount of time, which can be lifted in a matter of hours.
Why Does A Prison Go Into Lockdown