'Worry not, daddy' said Anne. 'I shall find out what spineless guttermonkey is responsible for this horrendous vandalism.'
'All righty, no worries then,' daddy said and went to get another cup of coffee.

Everyone who had a key to daddy's office was a suspect; the night guard, the cleaning lady, the janitor - and, of course, the butler.

Anne decided to visit them all in person.