Investigators say a Southern California couple has been jailed for shackling their teenage son to a chair in the living room each night for about six months.

San Bernardino County sheriff's investigators say the 17-year-old boy is in good health and he's in the custody of a family member.

Sgt. Jason Radeleff tells KCDZ radio that the boy told a family member that his parents had handcuffed him and pinned him with padlocked chains to a chair in the living room of the family home in desert Twentynine Palms.

The teen was released each morning.

Deputies arrested his 63-year-old mother Virginia Smith on Thursday. The boy's father Douglas Smith surrendered on Saturday.

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They were booked for investigation of child cruelty. They are in jail with bail set at $100,000 each.