Some shops making the security alarms on at the entrances

After someone stole my sunglasses on my way from the Zagreb Cathedral to the tram stop at the square, I went to the Arena Mall. I found the alarm was on at the entrance of the electric store there. I tried in few more stores and they got alarms on even at Spar. I don't know why that happened but it was really the discrimination going on. Enough discrimination going on in the shopping mall. How could I get a compensation from such discrimination??? I'm contacting the local police for the antisemitism like discrimination.