Lime Chicken Tacos (Slow Cooker)

2 boneless skinless chicken breasts
juice of 2 small limes
1/2 tsp cumin
1/2 tsp garlic pepper
1/2 tsp onion powder
1/4 tsp cayenne pepper
1/4 cup salsa
4 tortillas
toppings such as cheese, lettuce, cilantro, etc

Line the slow cooker with a plastic liner and place the chicken breasts inside.
Add in the lime juice, cumin, garlic pepper, onion powder, and cayenne pepper. Turn the chicken over to blend the lime juice and the spices and fully coat the chicken.
Cover and cook on low for 5 hours, turning over halfway through.
Place the chicken on a plate and use two forks to shred.
Pour the remaining juice from the crock pot onto the chicken and mix well.
Pour the salsa onto the chicken and mix together.
Divide the chicken between the tortillas and top as desired.