Putting his coffee safely off to the side, Jaune got up from where he'd been sitting and followed the both of them. He was careful not to step on the mouse and tried not to make any sudden movements that would scare it too much.
After Albus placed the trap, he motioned to it, "Do you want some help? Uh, not that you need it, you're probably fine. Just, I'm not scared of mice so I can help you lure it in there if you want."