Pozole in a Slow Cooker

Name: Pozole in a Slow Cooker
Ingredients: 2 pasilla chile peppers - stems, seeds, and veins removed; 2 ancho chile peppers - stems, seeds, and veins removed; 2 guajillo chile peppers - stems, seeds, and veins removed; water, to cover; 1 teaspoon cumin seeds; 2 cloves garlic; 0.5 white onion, chopped; 5 Roma tomatoes, chopped; 1 (3 1/2) pound pork shoulder, cut into several large pieces; salt to taste; 2 bay leaves; 4 cups chicken stock; 2 (15.5 ounce) cans white hominy, rinsed and drained