Mouse prevention

I had a bad mouse problem in my Dart. Didnt touch the car for about 5 months. Got going on it again and I had a bunch of Mice in it and the smell was WACK. So I cleaned everything I could and put baking soda all over everything for a Day then vacuumed that all up. Then I went and rented a OZONE GENERATOR, that is the chittt to get rid of that smell. Put it in the car for about 4 hours with the back seat out then vacuumed it out again.
SMELL IS GONE!!! After that went to Walmart got 6 boxes of MOTH BALLS and poured them into some old socks. I put 1 under the hood, 4 on the floor boards and 1 in the trunk with scented dryer sheets all over the place. I even poked some on my antenna, windshield wipers around the trunk gasket etc..... It has been about 4 months and they have never came back. The car was on Jack stands in my sealed garage and they still got to it!!!