The Mouse Trap Part Two

I sent Grumpy downstairs as soon as he got in from work last night to scoop up the deceased mouse and toss it away, thus ending my horrible experience.
"Sorry, nothing there," he said.
"Are you sure?" I insisted. "I heard thumping down there just now."
"These traps really go off easily. As soon as I touched it it slammed shut. But no mouse I'm afraid. I've reset it," he explained.
"Look, are you sure the mouse knows where the trap is?" I said, getting slightly agitated. "You did put that gel down that they're not meant to resist?"
"Yes. And those big cardboard signs we have with 'party' on them pointing in the right direction," he said.
If that doesn't work I'm going to hold a cheese and whine party. I'm going to scatter pieces of cheese all over the floor and stand at the top of the stairs whining...