Trim The Fat From The Roast; Place In Slow Cooker And Cook On Low Overnight, At Least 8 Hours. To Make The Sauce, Whisk Together The Vinegar, Melted Butter, Salt, Lemon Juice, Crushed Red Pepper, Hot Sauce, Black Pepper, And Sugar In A Bowl. Carefully Remove The Roast To A Cutting Board. Pull The Meat From The Bone With A Fork. Return The Pork To The Slow Cooker. Pour The Sauce Over The Pulled Pork. Simmer For 1 Hour More.