Wash your hands well with soap and warm water for at least 20 seconds.
Place chicken breasts in the bottom of a slow cooker.
Pour chicken broth over chicken breasts.
Season chicken with cumin, salt, and pepper.
Top with salsa.
Cook on low for 4 to 6 hours until chicken is done. Measure internal temperature of chicken with a meat thermometer. Chicken is done when internal temperature is 165°F. Shred chicken with 2 forks and combine with sauce in the slow cooker.
Heat tortillas in a large skillet over medium heat, about 1 minute each side.
Add 2 ounces shredded chicken to each tortilla and top with favorite toppings.