The Iowa college senior named as a person of interest in the disappearance of missing Pitt student Sudiksha Konanki finally returned home Saturday — but it’s not clear when he’ll head back to school after what his mom called “a really sad situation.

Joshua Riibe, a college senior, has returned home after being questioned in the Dominican Republic about the disappearance of University of Pittsburgh student Sudiksha Konanki, who is believed to have drowned.

Joshua Riibe is returning to the U.S. one day after a Dominican Republic judge ruled he should be freed from police surveillance.