A key witness, who has been identified as a person of interest by the Loudon County Sheriff’s Office in the U.S. investigation of Sudiksha Konanki, shared insight into his evening with her.

Joshua Riibe, 22, was one of the last people to see missing student Sudiksha Konanki, 20, who disappeared over a week ago in the Dominican Republic.

The parents of the Minnesota college student identified as a person of interest in the disappearance of University of Pittsburgh student Sudiksha Konanki said their son has been detained “under irregular conditions” – as sources said authorities in the Dominican Republic pledged to intensify interrogations.

The “person of interest” in the disappearance of missing Pitt student Sudiksha Konanki claims he saved them both from drowning before she vanished.

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.

A person of interest has been identified in the disappearance of Sudiksha Konanki, a University of Pittsburgh student who vanished while on spring break in the Dominican Republic last week.

According to a source involved in the investigation, Riibe, a former high school wrestler with a strong build, has been "cooperative" with authorities.

The search for the missing University of Pittsburgh student, who was on spring break in Punta Cana, is entering its second week.

A man who might've been the last person to see a missing University of Pittsburgh student in the Dominican Republic said he rescued her from drowning — only for her to vanish a short time later, according to a transcript of an interview he gave local authorities.