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Matthew James Sullivan Cause of Death: ‘UFO Whistleblower's’ Overdose Sparks Buzz Amid Missing Scientists Row

  • Former Air Force intelligence officer Matthew James Sullivan died of an accidental drug overdose on May 12, 2024, in Falls Church, Virginia, weeks before he was scheduled to testify to Congress about secret government UFO programs.
  • While the Northern District Office of the Chief Medical Examiner ruled the death an accidental overdose, Missouri Republican Rep. Eric Burlison has publicly described it as a "suspicious suicide," citing timing concerns.
  • Sullivan reportedly held firsthand knowledge of a "legacy" UFO crash retrieval program and intended to corroborate accounts from David Grusch regarding non-human craft in government possession.
  • In an April 16 letter to FBI Director Kash Patel, Burlison requested an inquiry citing "implications for national security," and the FBI stated it is investigating connections among missing and deceased scientists.
  • Sullivan's case sits within a broader congressional inquiry into more than a dozen deaths and disappearances of officials tied to classified aerospace and defense programs, raising transparency concerns.
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ussanews.com broke the news on Saturday, April 25, 2026.
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