I think someones been snooping round the truck.

[si tate]

It could also be perfectly innocent. They saw the truck and the caravan and wondered what they were like as a tow vehicle.
Who ever it was looking through the windows just wanted to see what the truck looked like inside, the same as anyone else does in a car showroom or car show when the car doors are locked.
A potential car thieve would have to be pretty dumb to leave obvious prints on the glass.

OK, I'm removing the rose tinted specs now, back to the world of dreams.

All he had to do was knock on the door & I'd have let him have a test drive if he wanted.

[BUSHWHACKER]

All he had to do was knock on the door & I'd have let him have a test drive if he wanted.

Make sure you go with him if he does it tonight.

[geordie john]

No mate it's worse than that, im in bradford.

and i,m in lowestoft, nukem