Fried Pork Tamales

Name: Fried Pork Tamales
Ingredients: 10 guajillo chiles, stemmed and seeded; 8 cups hot water; 10 garlic cloves; 2 canned chipotle chiles in adobo sauce; 1 teaspoon freshly ground black pepper; ½ teaspoon cinnamon; ½ teaspoon dried oregano; 3 pounds whole boneless pork shoulder, see Note; Kosher salt; 2 ½ cups masa harina for tamales, see Note; 1 ½ cups hot water; 1 cup cold lard; 2 teaspoons baking powder; 1 ½ teaspoons kosher salt; 1 cup cold chicken stock , or low-sodium broth; 2 packages frozen banana leaves, thawed, rinsed and dried (see Note); Rice flour, for dusting; Vegetable oil