A man who was arrested after investigators found a woman chained up on his property has admitted seven counts of murder over 13 years in South Carolina.

Two bodies found on the rural property of a South Carolina man linked to five other deaths were a couple who had a history of begging and had been buried there for nearly a year.

A third body has been found at the property of a South Carolina man linked to seven deaths and the kidnapping of a woman who was found chained inside a storage container.