Disgusting appalling service, reason why my house was broken into.

At about 3:50am on 14th March we had a break in at our house, they stole the TV. The ADT alarm system failed to ring whilst the whole ******* was taking place and only went off once the ******s went for the remote. later that morning we checked why the motion sensors didn't pick up this activity and we discovered that it wasn't picking up any motion close to our window or where they took the TV. This was very disturbing to us and we phoned ADT to let them know, we spoke to a gentlemen named Bethwell who said he was the manager but was very rude to us and who blatantly said it was our fault that the TV was ******. we tried to explain what we had discovered and he wasn't interested. He later on agreed to send a technician to come and check the system, the technician came to our house and than we were told by him that the motion sensor is not installed correctly and it's not facing the place hence it didn't pick up motion in the area where the TV was taken and we would need a new motion sensor to be installed to correct this problem. He put all this all on his report. To this day we havent had any feedback from ADT , no call, no concern. I'm disappointed because we installed this system as a measure to keep us safe and they failed to do this. Their service has been nothing but disgusting and as of today will be cancelling our contract with them. I feel it was their fault my tv was ******, because if the system was installed correct then it would have picked up motion when the robers entered the window. ADT ARE **********.