The parents of a U.S. college student who vanished almost two weeks ago in the resort town of Punta Cana have asked authorities to declare her legally dead.

Joshua Riibe's departure ends what his attorneys allege was a dayslong detainment in the country as investigators questioned him in connection with Sudiksha Konanki's disappearance.

The man who is the last person known to have been with missing University of Pittsburgh student Sudiksha Konanki is on a plane heading back to the US after he obtained a new passport, a source in the prosecutor’s office told CNN Wednesday.