Mexican slow cooker pulled pork

Name: Mexican slow cooker pulled pork
Cuisine: Mexican, Latin American, American
Ingredients: 1 pulled pork shoulder roast from Grass Roots Farmers’ Coop (2.5-3 lb roast); 5 guajillo chiles, stemmed (remove seeds if you don’t like a bit of heat); 1 tablespoon neutral oil; 6 cloves of garlic, peeled and chopped; ½ yellow onion, roughly chopped; 1 18 oz can of tomato sauce; 1 cup unsweetened pineapple juice; ¼ cup apple cider vinegar + 2 tablespoons; 1 tablespoons salt; 1 tablespoon pepper; 1 tablespoon dried Mexican oregano; 1 tablespoon cumin; 1 tablespoon cayenne; 2 tablespoons coconut sugar