How would you feel if you new at some point during your working day you could be secretly filmed by a mystery shopper? Does anyone know if your employer has the right to do this?
Your employer can do it, as long as they tell you in advance that they intend to. It's the same as CCTV cameras, the premises that they are on must by law show a sign telling patrons that they are in use.
yeah, they have to tell you. i never heard of mystery shoppers filming people, they are just supposed to observe and report, unless they're getting lazy.