Hilton Head suicide deepens mystery of missing couple

Dennis Ray Gerwing, a former business associate of John and Elizabeth Calvert and the last person known to have seen the couple, apparently committed suicide Tuesday, hours after being named a "person of interest" in the case.

Before Gerwing's body was found, investigators had announced that he had hired a lawyer and wasn't cooperating. Over the weekend they had searched Gerwing's home, business and cars.

As Gerwing's body was loaded into a coroner's van Tuesday evening, hundreds of people gathered beneath an oak tree just down the road and prayed for the missing couple in a steady, cold rain.

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