If you have seen someone kill a mouse in your dream: there are news about distant places and innovations that may interest you, If you are looking for ways to have a better time, you may find it strange that the people around you are not in the same mood as you. To see that someone kills a mouse in your dream indicates that you will find comfort in your life by getting rid of unnecessary and harmful people in your life, because the mouse is a creature that lives in sewers.