Explained: Families of suspected illegal miners who died in Nigerian detention accuse officials of mistreatment

Sulieman Mohammed, a 25-year-old motorcycle mechanic, was found dead in the custody of Nigeria's NSCDC security agency.

NSCDC

Nigeria Security and Civil Defense Corps, the security agency that held the detainees.

National Human Rights Commission

A Nigerian body that tracks and receives complaints about rights violations.

suffocation

Death caused by lack of oxygen, cited as the probable cause of the detainees' deaths.

illegal mining

Mining activity conducted without legal authorization, the alleged offense of the arrested suspects.