Joshua Riibe, original from Rock Rapids, Iowa, has been given his passport and was allowed to return to the United States.

Joshua Riibe, a witness in Sudiksha Konanki's disappearance, left the Dominican Republic. Here's the latest in where the case ...

It's a phenomenon experienced by the families of missing people when a body is never found, experts say: grief without certainty.

The man who is the last person known to have been with missing University of Pittsburgh student Sudiksha Konanki left the Dominican Republic on Wednesday evening, after being detained for 10 days.

Iowan Joshua Riibe, the last person to see missing University of Pittsburgh student Sudiksha Konanki alive, has returned to the US.

It was unclear how long Homeland Security Investigations (HSI) detained the returning traveler at Luis Muñoz Marín Airport.

Joshua Riibe, the last person seen with missing University of Pittsburgh student Sudiksha Konanki, was detained once again ...

"I don't believe that she drowned," said a private investigator, who has worked on various high-profile missing cases.

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