Pork n Beans Chalupa Filling

3lb. pork roast or pork tenderloin
1 lb. dry pinto beans
2 garlic cloves, minced
1 Tbsp. ground cumin
1 Tbsp. dried oregano
2 Tbsp. chili powder
1 Tbsp. salt
4 oz. can chopped green chilies
water

Cover beans with water and soak overnight in slow cooker (do not turn slow cooker on)
In the morning, remove beans and their water (don't throw away the water!), and put pork in bottom of cooker. Add remaining ingredients (including the beans and their soaking water) and more water if needed to cover all the ingredients.

Cook on High 1 hour, and then on Low 6 hours. Remove meat and shred with two forks. Return meat to slow cooker.
Cook on High 1 more hour.
Serve with tortillas, or over a bed of lettuce and top with grated cheese, chopped onion, tomatoes, guacamole, sour cream.