If it was "computer" who found guilt, I would think you might ask them "Who is in charge of the operation(s) of computer? It seems this computer and/or its operator and/or the software guys have created a problem and I need to know, who the responsible parties."
Printed copy · Anthology Volume 2, page 512Printed copy from The Tender For Law Anthology, Volume 2, page 512 (printed 14 June 2014). Added by this site; not part of the Facebook export.