Grand jury is so named because traditionally it has greater number of jurors than trial jury, called a petit jury (from the French word petit meaning small).
Although mice tend to come out in the night when most of the occupants of the house are asleep or immobile. This allows them to stealthily infiltrate any of your food bags, crumbs etc. During the day time, mice will normally not come out, but if opportunities exist then they surely can.
Native white-footed and deer mice who move indoors during the early fall or winter can be live-trapped and returned to the outdoors. House mice and rodents that have lived in buildings for their entire lives will have a slim chance of surviving outdoors. If possible, relocate mice to an outbuilding like a shed or garage. Purchase a copy of Wild Neighbors; the go-to guide for useful, humane solutions to conflicts with wildlife Â»