In your slow cooker, combine the chicken (if it’s frozen, no need to defrost, throw it in frozen), Hunt’s diced tomatoes, chicken broth, cumin, salt and pepper. Cover and cook on low for 8 hours, or high for 4 hours. When it is done cooking, shred the chicken using 2 forks in the slow cooker. Will be falling apart and shred very easily. Stir around in juices.
Build tacos by adding shredded chicken and toppings of choice.