Place pork in slow cooker and season with salt.
Add in chile peppers, lime juice, garlic and onion on top of pork.
Mix together chipotle sauce and 1/2 C water, pour over pork.
Cook on low for 6-7 hours until pork is tender and easy to shred with a fork.
Remove pork and shred with a fork, place back into slow cooker.
Add 1 1/2 tsp cumin and 1/2 C chopped cilantro.
Stir and allow to simmer for about 30 minutes giving the pork time to absorb some of the juices.
Serve as a burrito, taco, enchilada etc.