Mix together salt, garlic powder, cumin, oregano, coriander, and cinnamon in a bowl.
Coat pork with the spice mixture.
Add jalapeƱos and bay leaves to crock pot and place pork roast on top.
Pour beef broth, tequila and lime juice into crock pot but, be careful not to rinse off the spice mixture. Cover and cook on Low until the pork shreds easily with a fork, about 10-12 hours.
When the pork is tender, remove from slow cooker, and shred with two forks.