Cook bacon in skillet, drain on paper towel, allow to cool and break in pieces. Crumble and brown turkey in the skillet and stir to break apart. Place cooked turkey and bacon in slow cooker. Season with taco seasoning mix, oregano, garlic powder and salt,and pepper. Mix until meat is evenly coated. Pour in beef broth, Rotel salsa, kidney beans, tomatoes, tomato paste. Add onion, green pepper, bay leaf, celery, salt, and pepper. Mix well. You may need to adjust for the thickness by adding water.
Simmer on low, stirring occasionally. Cook for approximately 6 to 7 hours.
Garnish with green onions, sour cream and/or cheddar cheese.