Heat the oil in a large, cast iron skillet. Cook the meats, onions, garlic and Bell peppers until meat is browned and the onions are transluscent. In a large pot bring the beer and whiskey to a slow boil. Add the meat mixture, tomato sauce, tomato paste, and all spices except 1 T of cumin. Reduce the heat, cover and simmer for 1 hour stirring frequently. Remove the lid and cook for 30 minutes more continuing to stir frequently. Add the remaining cumin and serve.