Suspect robery

When we took the car we were told it doe not have scratches and asked to check it ourselves which we did with avis personal who was very casual and the parkings were a bit darker at the time but and there were few that we picked which were not indicted to us but when you return it 4 guys check the car even lie on the floor which we did not do with their representetive which ifeel they robbing us as some of this dents are left intentionally so as the next person pays again while the previous one also paid this must stop it shows they dont care about us