> Chinese authorities have the broad ability to prohibit travelers from leaving China (also known as ‘exit bans’); exit bans have been imposed to compel U.S. citizens to resolve business disputes, force settlement of court orders, or facilitate government investigations. Individuals not involved in legal proceedings or suspected of wrongdoing have also be subjected to lengthy exit bans in order to compel their family members or colleagues to cooperate with Chinese courts or investigators.
AKA taking hostages.