wife being insulted by staff

On 17/08/2015 at +-17h30 me and my wife were bdoing our shopping at PNP we were standing in the qeu at till no 10 my wife was busy unpacking the trolley wile I was busy entertaining our small baby girl.my wife noticed that the staff at the till is busy making jokes of her.(she underwent 25 operations on her face (reconstructive)) she told me and I saw them asswell pointing at their noses and laughing. We feel extremely offended by them!!<br> The one lady was tall and skinny with long curley hair.<br> The second lady had a sort of cloth over her head.<br> Please address this matter ASAP