The Iowa native says he has been cooperating with authorities as they continue the search for the 20-year-old Indian national.

Spring breaker Sudiksha Konanki was last seen with Rock Rapids, Iowa native Joshua Riibe before her disappearance on March 6.

Joshua Riibe, who was last seen with the missing University of Pittsburgh student Sudiksha Konanki, no longer has his passport, according to his attorneys.

Investigators suspect that the spring breaker removed her clothing, leaving it on the lounge chair, before entering the ocean ...

Joshua Riibe might have been the last person to see Sudiksha Konanki, a 20-year-old junior who went to Punta Cana on March 3.

The beachwear found bears a striking resemblance to the clothing Sudiksha Konanki was last seen wearing in surveillance ...

St. Cloud State senior Joshua Riibe has remained in his hotel room under police surveillance when not questioned at the ...

Newly-released images bear a striking resemblance to the clothing the missing woman was wearing the night she disappeared.

Authorities said they have confiscated the passport of a young man they consider to be a person of interest in the disappearance of<a class="excerpt-read-more" href=" More ...

Images of a white netted beach cover-up and a pair of flip-flops - similar to what Sudiksha Konanski was wearing when she was ...

A Dominican lawyer believes the possibility that missing Pitt student Sudiksha Konanki drowned is more plausible than some ...

The man last known to be seen with a University of Pittsburgh student before she vanished from a beach in the Dominican ...