“Someone has stolen the inheritance!” Arnthwaite Grimper announced with gravity. “And furthermore, this is what we in the trade, we in the cloistered world of detection, we in -“
He stopped when he noticed Lavinia glaring at him, but soon continued.
“We in… the business call… ‘an inside job.’”
Just as Grimper thought it would, that last statement ripped the glare off Lavinia’s face, gave it a good scrubbing in icy cold water, dried it off with a pan scourer and threw it in the wastepaper bin. It was replaced by a look of (perhaps) genuine shock which Gibberish shared.