The 20-year-old University of Pittsburgh student has been missing since March 6, and Joshua Riibe, the last person to see her, was named a person of interest—find out more about him here.

The “person of interest” in the disappearance of University of Pittsburgh student Sudiksha Konanki says the Dominican Republic must let him go home. Joshua Riibe, a 22-year-old Iowan who has b ...

"While Joshua appreciated this decision, he chose, for privacy reasons, to apply for a new passport at the U.S. Consulate, which was promptly issued. Riibe is believed to be one of the last people ...