There has been a mouse in our house for as long as I can remember. Maybe 9 months, maybe more. It is black, resembles a lightening bolt and sometimes seems to levitate. I am so very scared of it. Clever and impossible to catch, we've tried no kill boxes, sticky traps, peanut butter, cheese. Since it's getting into the bread and rice cakes, we've had to resort to real traps. The suspense is killing me.