Money Deposited at shoprite

MY NAME IS MARY MSIZA ID *** ON FRIDAY 29 APRIL 2016 I DEPOSIT AN AMOUNT OF R800 AT SHOPRITE MHLUZI MALL FOR MY SISTER IN GROBLERDAL WHEN MY SISTER WENT TO WITHDRAW THAT MONEY SHE WAS TOLD THAT THE MONEY WAS ALREADY WITHDRAWN AT THE SAME PLEASE THAT I DEPOSIT THE MONEY. I WENT BACK TO THE STORE TO REPORT THE CASE BUT I WAS TOLD TO GO & OPEN THE CASE AT TH POLICE STATION WHICH I DID THEN I WAS TOLD TO CONTACT THEM AFTER THREE DAYS WHEN I WENT TO SHORPITE AFTER THREE DAYS I WAS TOLD THAT THE ARE STILL RUINING SAME INVESTIGATION I CAN'T WAIT THAT LONG I NEED MY MONEY BACK.