Funds withdrawn without my knowledge

On 1 December 2017 I went to Capitec to withdraw money from my flexi account.Juts to find out that there was money withdrawn 3 times at other branches from 29 November 2017. In October the same thing happened where an amount of 1600 was withdrawn.I lodged a complain and an incident was lodged.After 12 days we still don't know what is happening and imagine if my pension money is paid in and the same thing happens.That is the money for December and know we are broke and have no funds to do what is needed.I even went on Facebook and the response is feedback will be provided as soon as the investigation is finalised.Really!!!!!I and even my wife refer a lot of people to Capitec but now I am not happy and don't have anything positive to say.Is this how Capitec treats his loyal customers.