This is mostly done in a painless and quick way.
Catch mice attic.
Scraping scrambling bumping thumping and sometimes squeaking.
If you have mice living in your attic it is likely that they are traveling down through your wall voids to access areas of your home that have food or water sources.
Bait a humane rodent trap available online and at most home depot stores with cheese or peanut butter and set it in your attic.
One way exclusion funnels are also useful in removing mice from your attic.
The trap must be big enough to catch the mice or they will escape.
To use this funnel leave one opening unsealed and position the funnel over it.
You may notice recent gnaw markings as well as fresh mouse droppings around your house and attic space.
Snap traps and electronic house mouse traps are commonly used for killing mice.
Lethal traps on the other hand catch and kill the mice instantly.