The man who is the last person known to have been with missing University of Pittsburgh student Sudiksha Konanki is on a JetBlue flight departing the Dominican Republic on Wednesday evening, after being detained for 10 days,

The American college student who was the last person to see Sudiksha Konanki alive is finally back home in the U.S. Joshua Riibe, 22, was issued a new passport at the U.S. Consulate and has returned to the U.S. with his father, the law firm Guzmán Ariza confirmed to PEOPLE on Wednesday, March 19.