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.

Indian-origin Sudiksha Konanki, a 20-year-old pre-med student from Chantilly, Virginia was last seen while on spring break with five friends at the Ri.