Dominican Attorney General Yeni Berenice Reynoso grilled U.S. witness Joshua Riibe in person in the unsolved disappearance of Sudiksha Konanki, of Virginia.

Authorities in the Dominican Republic have seized the passport of Joshua Riibe, the man seen with University of Pittsburgh student Sudiksha Konanki before she went missing, Fox News has learned.

A 20-year-old University of Pittsburgh student went missing while on spring break in Punta Cana. Get updates on her case here.