[setquk]

Unlikely. There was some intelligence behind it. He was aware the locks had been changed as I explained his in an SMS so I did what he asked explicitly. Secondly I could apologise for the mistake of leaving the wrong keys inside the property. As for the marmite, some kid did a prank! Ooops. Based on the police's previous attitude, would they likely come out for a bit of marmite in a letterbox.

The put the keys through the letterbox thing was actually a masterpiece of idiocy on his part which I refrained from mentioning to him.