Authorities in the Dominican Republic and the United States continue investigating the disappearance of University of Pittsburgh student Sudiksha Konanki, who w

Sudiksha Konanki, like many students, headed to the Dominican Republic for spring break. She was staying at a beachfront resort before disappearing.

Joshua Steven Riibe, 24, has been identified as the man seen hugging and walking hand-in-hand with the 20-year-old student just hours before she vanished in the Dominican Republic.

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

Joshua Steven Riibe, an American from Rock Rapids, Iowa, has been named in the investigation into the disappearance of Sudiksha Konanki. Riibe, a senior at St. Cloud State University in Minnesota, was the last person seen with Konanki before she vanished in Punta Cana on March 6.