The suspects refuse to talk, but their guilt is evident under scrutiny.
They appear to have all the classic signs of a guilty culprit: refusal to make eye contact, swallowing nervously, lightly-thumping tail. Wait - tail?!? Yes, the accused are these two furry fiends, Lionel and Ellie, who have been put on trial for destroying the stockpile of toilet paper in the bathroom.
Judging from the evidence -- toilet paper that's been turned to confetti -- and their own responses, it doesn't take Sherlock Holmes to put two and two together here.