Carl is violent, and burns Ian's hand when he tries to refuse to pay him before promising that the debt will be paid if Ian lies in court, and says that he saw Max tampering with the brakes of Carl's car.
Carl is violent. Carl burns Ian's hand when he tries to refuse to pay him before promising that the debt will be paid if Ian lies in court. He saw Max. This is what Carl says. This Max was tampering with the brakes of Carl's car.