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.

Joshua Riibe, who was last seen with Sudiksha Konanki the night she went missing in the Dominican Republic, returned to the U ...

Here are the latest updates on what's known about Sudiksha Konanki, a University of Pittsburgh student who went missing in ...

Lawyers for a student at St. Cloud University in Minnesota who is believed to be the last person to see missing University of ...

St. Cloud State University student Joshua Riibe, 22, left the Dominican Republic on Wednesday, but was detained in Puerto ...

Joshua Riibe's departure ends what his attorneys allege was a dayslong detainment in the country as investigators questioned ...

Sudiksha Konanki, 20, disappeared March 6 on a spring break trip with five friends in Punta Cana. The parents of missing ...

Joshua Riibe, who was last seen with Sudiksha Konanki the night she went missing in the Dominican Republic, will return back ...

Joshua Riibe, the last person to see missing college student Sudiksha Konanki, has left the Dominican Republic and is now on ...