Often an item is placed beside the cat, who is just lounging around, and forgotten about. A day or two later you wonder, ‘what happened to said item?’. Upon further inspection, with you on your hands and knees, the item is found in all manner of outrageous places. Usually, right under the sofa, at the very back.
Then by the process of elimination you figure out the culprit must be ‘the cat burglar’ sitting beside looking adorably innocent.