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You are an expert summarizer. Condense information accurately and concisely, highlighting key points and main ideas from the provided text, tailored to the requested length or style.<|im_end|>
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Summarize the following news article:
NASSAU, Bahamas (CNN) -- John Travolta testified Wednesday that would-be extortionists threatened to go the media with stories implying "the death of my son was intentional and I was culpable somehow." John Travolta's son died of a seizure in January at the age of 16. Travolta testified for the second time in a case against paramedic Tarino Lightbourne and former Bahamian Sen. Pleasant Bridgewater. The defendants are on trial, accused of plotting to extort $25 million from Travolta after 16-year-old Jett Travolta died from a seizure in the Bahamas in January. Travolta and his wife, actress Kelly Preston, entered the downtown Nassau courthouse Wednesday morning surrounded by security personnel. The actor took the stand appearing nervous, and he took a long, deep breath before beginning his testimony. Travolta told the court a longtime employee of his became upset after learning someone was demanding money of the actor in the wake of his son's death. The employee learned through the family attorney, Travolta said, that it was "in regards to a paper I signed in the Bahamas." In earlier testimony, one of Travolta's lawyers, Allyson Maynard-Gibson, said Bridgewater approached her in the days after the January 2 death of Jett, saying she had a legal client who had a document Travolta might want. Bridgewater gave her copies of the papers, which included ambulance dispatch reports and a paper signed by Travolta releasing the ambulance company from legal liability, Maynard-Gibson testified. Watch In Session's Ashleigh Banfield discuss case » . The paramedic expected Travolta would pay millions to prevent publication of the documents because "he would not want his name tarnished in media,"  Maynard-Gibson said. Bridgewater told Travolta's lawyer that her client believed the documents could suggest that Travolta was negligent by wanting to take his unresponsive son to his private jet for a flight to a Florida hospital, instead of going directly to a local hospital, she said. In testimony last week, Travolta said a nanny found Jett unresponsive at the home on the island of Grand Bahamas, where the family was spending their New Year's holiday. Travolta said he initially told the ambulance driver to rush them to an airport where his private jet was parked. Travolta, who is a pilot, said he wanted to fly his son to a West Palm Beach, Florida, hospital instead of driving him to one in Freeport. The paramedic, however, asked Travolta to sign a statement releasing the ambulance company from liability. "I received a liability of release document. I signed it. I did not read it. Time was of the essence," Travolta testified last week. Travolta said that while he and his wife were riding in the ambulance with their son, they decided to divert to the hospital. At the hospital, Travolta was told his son "wasn't alive," he said. On Wednesday, Travolta testified that he learned of a demand for $25 million or "stories connected to that document would be sold to the press." "The stories would imply the death of my son was intentional and I was culpable somehow," Travolta said. An attorney representing Bridgewater and Lightbourne asked Travolta if the defendants ever contacted or threatened him directly. Travolta said they did not, that he heard specifics about the situation through his attorneys. Travolta's testimony lasted only a short time. He was excused and is not expected to return to the witness stand. One of the actor's attorneys, Michael McDermott, took the witness stand Wednesday afternoon and began testimony about a videotaped meeting between him and one of the defendants. The video is expected to be played Thursday for the jury.<|im_end|>
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Travolta in court: Defendants used papers to imply negligence in extortion attempt .
Travolta: I signed waiver while considering alternative to area hospital for son .
Defendants thought consideration of alternative would imply negligence, lawyer says .
Travolta says two attempted extortion after his son, Jett, died .<|im_end|>
