sparewheel theft

My car had 5 mag wheels, the 5th being my sparewheel Which was identical to the other 4,only it was still new. Took my car in to vw Soweto, where they stole my mmag wheel and replaced it with those temp 50km wheels. Reported this to the manager and he so rude, told me I'm accusing them cause they are black and In Soweto. I'm black and I'm from Soweto aswel so? I ended up opening a case with the police. Never go to that place!