Random search

On the 09/11/2017 I was in Dobsonville shopping mall with my wife and we decided to visit pep store to check kids clothes.we checked and decided that we gonna come back and buy few things while we were going out of the shop the security guy(Mpumelelo mboyi)stopped me en told me he wants to search me en I asked him is it the drill for every customer and he responded me by saying his doing his job fair enough he searched me en we stepped out of the shop and that didn't sit me well I told my wife to stand and watch that is it true that all the customers are searched to my surprise a male customer went out of the shop he was never been stopped en searched and the second one also was never been searched,we went back and I ask for a branch manager(Thuli Ntshingile)who attended me and I asked her if is it allowed to search their customer and guess what she told me that it's a random search according to them I'm a ***** that's how I took it can u please help me with this store behavior they are out of control can their head office call me on this number ********** 183 thanks in advance