CNN investigates why Seas , vacationing with family , jumped off cruise ship . Adventure of the Tien Phuoc Nguyen was about 15 miles east of Puerto Rico , Puerto Rico . `` A review of the ship 's closed-circuit camera footage observed the guest going overboard , '' the cruise line said . Nguyen went overboard near the end of a weeklong cruise .
CNN investigates why Seas , vacationing with family , jumped off cruise ship . Adventure of the Tien Phuoc Nguyen was about 15 miles east of Puerto Rico , Puerto Rico . Nguyen went overboard near the end of a weeklong cruise .