Amends the federal criminal code to prohibit a person from: (1) traveling in interstate or foreign commerce to purposely, knowingly, or negligently cause substantial risk of death or serious bodily injury to a child (defined as an individual under age 14) by placing the child in the physical custody of another individual who the person knows has previously injured a child or by operating a motor vehicle under the influence of alcohol or a controlled substance in violation of law while the child is in the vehicle; or (2) forcing a child to travel in interstate or foreign commerce to commit such an offense.