I have heard of people having some success with tieing a string to a thawed mouse tied to something else. The snake eats it but is tied to the other object. I guess you force the mouse out after. My best advice is to just rip the place apart. Good luck.

Mike
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1.1.9 Cal. Kings
1.0 Ball Python
0.0.1 Jungle Carpet Python
0.0.2 African House Snakes
0.0.1 Oketee Corn Snake
0.1 Salmon Boa Constrictor
0.0.1 Marbled Salamander
0.0.1 Japanese Fire-Bellied Newt
0.2 Labs