I would have killed it and then fumigation the house. Or I would have killed it and made a bucket and ruler trap. This trap consists of a bucket with water and oil. Then you put peanut butter on the ruler and then place it on the edge of the bucket with a little path to get to it. The mouse falls and is caught in between the layers of oil and water therefore instantly drowning.
You (◕‿◕✿)
Stop that (◕‿◕✿)
Stop right now (◕‿◕✿)