If you're facing criminal charges, the case may rest on the testimony of a witness. Maybe they claim that they saw you fleeing from the scene, and you match the description given to police officers. Even if you deny involvement, the jury may assume you're lying and that the witness is telling the truth.
During your divorce, you and your ex split up some pretty serious debts, along with your assets. You divide credit card debt down the middle. You take the car and agree to pay off the loan. Your ex, meanwhile, takes the house. You still have a mortgage on it, but your ex agrees to keep things simple and just make those payments.