A small company I once worked for employed a new firm of cleaners. Very good and conscientious for several months, right up to the night they loaded all the com

A small company I once worked for employed a new firm of cleaners. Very good and conscientious for several months, right up to the night they loaded all the computer gear they could find on the premises into their van and disappeared. (After, of course, doing the cleaning and making sure they locked up afterwards)