Transcript for The FBI investigates the suspicious disappearance of Florida woman during a sailing trip
mystery at sea this morning. A young newlywed disappears. Her husband survives. The FBI is investigating exactly what happened on their boating trip near the Bahamas. Linzie Janis with us. Reporter: They were celebrating their recent marriage on a sailing trip in the caribbean when he says disaster struck, but this morning, the FBI is checking out his story. This morning, the FBI trying to find out what happened to Florida mother Isabella helloman after she vanished on a sailing trip with her husband Bennett. They set off on may 14th. At 1:30 A.M. The authorities getting a did stress signal. The cat ma ran hit an object. Reporter: Three hours later, the rescuers discovered the boat. No sign of Hellmann. Bennett tells authorities he last saw his wife on deck. The coast guard scouring nearly 7,000 miles of ocean, but calling off the search after three days. Now, investigators looking into what happened on the boat. Obviously there was something suspicio suspicious, they'll do a preliminary investigation and out of that may come a full-blown criminal investigation as to how she died. Reporter: The FBI also learning more about the couple. Bennett reportedly a citizen of both Australia and great Britain and Hellmann is a Colombian native who recently became a real estate. The FBI has declined to comment the family of Isabella Hellmann has also declined to comment. Really sad, let's not forget there's a child involved here Let's switch gears, we're
This transcript has been automatically generated and may not be 100% accurate.