Dr. Jack Kruse of Nashville was escorted off the ship in Houston by the FBI before it left the dock Sunday. Kruse said in a statement posted online that he was scheduled to speak Monday on Jimmy Moore's 5th Annual Low-Carb Cruise.
"It was like being in a movie, and it was surreal," Kruse said. "Having the room completely trashed, and I was asked all of these crazy questions. I had no idea what they were talking about. "
Kruse said the Twitter account had a handle including his name and an obscenity. The tweet read: "security confiscated dynamite. talk won't be as explosive as one at PaleoFx. still have vial of Legionnaires for epic biohack. #lccruise12."
Carnival said it also received a telephone call from a man using the name Lance who said a doctor on board was planning bioterrorism.
The Department of Homeland Security and FBI determined Kruse was an innocent victim of an impostor. The Carnival Magic captain refused, however, to allow him to return to the ship.
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