Terrible customer experience

There was a *****ulent order placed under my account of over R20 000,and i called home choice to advice that i have not placed ab order,it was delivered in cape town,I've nevet set foot in cape town,and i don't know who signed for that delivery,home choice requested i send docs,i did,later on,the account was handed over to MBD ,who is Currently harassing me with emails and calls,again,they also requested i send docs with my signatures,i did that,when they called again,i was very frustrated and the issue was assigned to a team leader,who i then mentioned everything to,she never got back to me,now whenever the agents call,i ask them of the progress regarding my case,they immediately cut my calls,nobody gets back to me when i email,and this is affecting my Honesty and intergrity as i work with insurance,and i might lose my job for something i have no business with