A series of individuals across multiple fields have recently died under circumstances some describe as suspicious while preparing to disclose sensitive information. Among them is Matthew James Sullivan, 39, whose death has intensified scrutiny in the context of UFO-related whistleblower cases.

According to the Northern District Office of the Chief Medical Examiner, Sullivan passed away at his home in Falls Church, Virginia on May 12, 2024 from a lethal combination of alcohol, alprazolam (a generic form of Xanax), cyclobenzaprine (a prescription muscle relaxant affecting the central nervous system), and imipramine (a drug used for children to treat anxiety and bedwetting).

Rep. Eric Burlison (R-Mo.) referred Sullivan’s case to the FBI on April 16, citing “implications for national security.” In his letter to FBI Director Kash Patel, Burlison stated that Sullivan’s death—a local Virginia medical examiner case—raised “substantial questions” because Sullivan was preparing testimony before Congress. The rep emphasized that the “sudden and suspicious circumstances surrounding his death” posed significant concerns about potential foul play and the safety of others involved in similar matters.

Falls Church, Virginia is located near the headquarters of the Central Intelligence Agency.

Former FBI assistant director Chris Swecker noted that while he does not believe six reported cases of disappearances and deaths among scientists constitute a conspiracy, they all worked with sensitive technologies vulnerable to foreign intelligence targeting by nations such as Russia, China, Iran, or Pakistan. The death of retired Air Force Maj. Gen. William Neil McCasland earlier this year has also fueled speculation about patterns involving individuals handling classified information.