Capitec bank

Hi...I sold my bakkie to a client who is using fnb he transferred the money to my Capitec bank account after reciving the money i did some transactions paying people thorough transfering money to their account Capitec stopped my account and the accounts that i transferred the money to they say they are investigating ***** i provided proof of payment but until today no help my family is struggling with money whilst it is there on my account R150 000.