In a small bowl, mix together all of the dried spices and set aside.
Place the chicken in your slow cooker.
Add olive oil and red wine vinegar.
Sprinkle with dried herb mix and add the fresh parsley.
Cook on low for four hours or on high for two hours, until cooked through.
Shred the chicken. (I like to do this directly in the slow cooker using my hand mixer. It's such a time saver!)
Serve in flour tortillas topped with your favorite taco toppings (salsa, shredded cheese, guacamole, etc)