Finally happened to me - RV broken into first time

20 years of back packing and tent camping from '65-'85 and then rv camping since then in pop-ups to the MH and never lost anything from a campsite or on the road. I guess that some folks just have that problem. We did store our last trailer in a fenced lot,but it was open 24/7 as there was a taxi outfit operating out of it. The people next to us suggested that we remove the 6V batteries from the tongue of our TT and we never had any problems there.