Legit tsakane mall are *****s

Yesterday 14 October I went to tsakane mall Legit I got few iteams...then I accidentally left my wallet on their table....when I went to spur which took less 15 minutes...as I'm about to pay I remembered that I left my wallet there....i quickly went back....they gave me back my wallet and it only had cards they took R1000 in it and they claim a customer took it....Legit tsakane mall they ***** from customers....I don't know what to do