Very Very unhappy Customer

I have been trying to sort out our account since 3rd of June 2022 and still nothing has been sorted out. I'm not paying for an alarm that is not working nor is there anything left of it after they stole the system on the 31st of May. With no warning, no battery disconnect or low battery SMS they managed to break in and ***** the system... How is that possible?? The burglar couldn't of been a snake that slithered down the wall and down the passage without the alarm eye picking up any movement???