; or (B) commits or attempts to commit a crime. (6) The term carjacking means conduct described in section 2119, or the unlawful taking of a motor vehicle from the immediate actual possession of a person against his will, by means of actual or threatened force, or violence or intimidation, or by sudden or stealthy seizure or snatching, or fear of injury. (7) The term child abuse means the unlawful infliction of physical injury or the commission of any sexual act against a child under fourteen by any person eighteen years of age or older. (8) The term communication of threats means conduct described in section 844(e), or the transmission of any communications containing any threat of use of violence to— (A) demand or request for a ransom or reward for the release of any kidnapped person