Three facility transfers in two weeks is not a routine administrative shuffle. What you are describing has a name inside the system: diesel therapy.
Diesel therapy is the practice of moving a troublesome or targeted inmate repeatedly from facility to facility, often with no clear destination or purpose. The inmate gets shackled, loaded onto a transport bus, and moved to a new location, sometimes for days at a time. Then it happens again. The effect is deliberate disruption. The inmate loses their property, their commissary account access, their established routines, their phone access, and any stability they had built at a facility. Communication with family goes dark. Legal mail gets delayed or lost. It is exhausting and disorienting by design.
It has been documented and alleged that some transfers are sent to incorrect destinations intentionally, compounding the disruption further. Whether that rises to the level of a formal punishment or is simply the system exercising its authority over inmate movement, the practical result is the same.
If your person has been moved three times in two weeks, there is likely a reason the system wants them unsettled. That could be related to disciplinary issues, an investigation, a conflict with staff, or simply an overcrowding situation being managed across the system. Getting a straight answer from the facility is difficult because they are not obligated to explain transfer decisions.
An attorney can make formal inquiries that carry more weight than family calls, and if the transfers are interfering with legal proceedings or access to counsel that becomes grounds for a legal challenge. Document every transfer with dates and locations as best you can.