Joshua Riibe, 24, was seen on camera with University of Pittsburgh student Sudiksha in the early hours of March 6 at the Riu Republica Resort in Punta Cana before she vanished.

University of Pittsburgh student Sudiksha Konanki went missing in the Dominican Republic after allegedly being swept away by a wave. The last person to see her, Joshua Riibe, claims he saved her from rough waters but lost sight of her when she went to retrieve her belongings.

The last person to see missing University of Pittsburgh student Sudiksha Konanki told investigators they shared a kiss after he saved her from drowning — but failed to answer other key questions. Joshua Riibe,

Cops have named person of interest in the case of Sudiksha Konanki, a University of Pittsburgh student who went missing while on a spring break holiday in Punta Cana, Dominican Republic. Loudoun County,

Joshua Riibe, a 24-year-old tourist from Iowa, has come under the spotlight, with investigators naming him a 'person of interest.'

Joshua Riibe has been named a "person of interest" in the missing person case out of the Dominican Republic. A 58-year-old man from Riverside County is suing the University of California Board of Regents after undergoing a routine outpatient procedure to repair the meniscus in his left knee ended with him tragically losing much of his leg.

A person of interest has been named in the ongoing investigation into the disappearance of 20-year-old Sudiksha Konanki, a pre-med student at the University of Pittsburgh who went missing while vacationing with friends in the Dominican Republic.

The footage shows the pair staggering while taking selfies in an early hours walk with pals at the same Domincan resort.

The desperate search for missing University of Pittsburgh student Sudiksha Konanki in the Dominican Republic is ongoing -- and now, authorities in Virginia have zeroed-in on a person of interest.