Why had Sheldon felt the need to do that? Tilda started to say something but stopped, remembering the dead mouse.

"Where is it?" Lyndon asked directly.

Elma pointed towards the door. "I put it in the garbage bag."

Lyndon followed her pointed finger to the black garbage bag, knelt down, and carefully untied it.

Inside, he found a shoebox. When he opened it, he saw a bloody, crushed mouse.