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.

Joshua Riibe, the person of interest in the disappearance of University of Pittsburgh student Sudiksha Konanki, has given Dominican Republic cops an ultimatum. His attorney Beatriz Santana said in a motion filed Monday,

Joshua Riibe, the person of interest, 'is permanently escorted by the police anywhere he goes,' the law firm working with him said, adding he is 'not free to leave' the resort.

The case of missing Indian-origin student Sudiksha Konanki continues to unravel. The last person to see the 20-year-old, who disappeared in the Dominican Republic, was Joshua Riibe. Authorities have declared the 22-year-old man a ‘person of interest’ and confiscated his passport;