Enforced disappearance
When a person is secretly abducted or imprisoned by a state or political organization or by a third party with the authorization, support, or acquiescence of a state or political organization
An enforced disappearance is the secret abduction or imprisonment of a person with the support or acquiescence of a state followed by a refusal to acknowledge the person's fate or whereabouts with the intent of placing the victim outside the protection of the law. Often, forced disappearance implies murder whereby a victim is abducted, may be illegally detained, and is often tortured during interr... Wikipedia