Is it a weapon used by a different country or is it just people having weird frequency waves in their brain?

Sources:

• Central Intelligence Agency (CIA). (2022, January 20). Interim Assessment on Anomalous Health Incidents (AHIs): Analysis of Foreign Adversary Involvement. CIA Directorate of Operations.
• Department of Defense (DoD) & Joint Non-Lethal Weapons Directorate (JNLWD). (2020). Counter-Personnel Directed Energy and Acoustic Systems Reference Guide (LRAD, Infrasound, and High-Power Microwave Systems). Quantico: Marine Corps Base.
• Frey, A. H. (1962). Human auditory system response to modulated electromagnetic energy. Journal of Applied Physiology, 17(4), 689–692. https://doi.org/10.1152/jappl.1962.17.4.689
• National Academies of Sciences, Engineering, and Medicine (NASEM). (2020). An Assessment of Illness in U.S. Government Employees and Their Families at Overseas Embassies. The National Academies Press. https://doi.org/10.17226/25889
• National Institutes of Health (NIH). (2024, March 18). Neuroimaging Findings in U.S. Government Personnel and Their Family Members With Anomalous Health Incidents. JAMA (Journal of the American Medical Association), 331(13), 1109–1121. https://doi.org/10.1001/jama.2024.2424
• Office of the Director of National Intelligence (ODNI). (2023, March 1). Updated Assessment of Anomalous Health Incidents by the National Intelligence Council and Participating IC Agencies. ODNI Declassified Documents.
• Pavlich, K. (Host). (2026, January 20). Interview with Donald Trump regarding the Caracas operation, exotic weaponry, and alleged sonic/acoustic incapacitators [Television broadcast]. NewsNation.
• Queally, J. (2026, January 21). 'No One Else Has It,' Claims Trump When Asked About 'Secret Sonic Weapon' Used in Venezuela. Common Dreams. https://www.commondreams.org/us-secret-sonic-weapon
• The Insider, 60 Minutes (CBS News), & Der Spiegel. (2024, March 31). Unraveling Havana Syndrome: Joint Investigation Linking Russian GRU Unit 29155 to Directed Energy Incidents in Europe and the Americas. CBS News / The Insider.
• U.S. Congress. (2021, October 8). Public Law 117-46: Helping American Victims Afflicted by Neurological Attacks (HAVANA) Act of 2021 (135 Stat. 391). U.S. Government Publishing Office. https://www.congress.gov/bill/117th-congress/senate-bill/1828
• Venezuelan Military & Guard Eyewitness Testimony. (2026, January). Eyewitness accounts of concussive acoustic shockwaves, bleeding, and severe disorientation during the January 3 Caracas raid (Quoted in New York Post and international coverage).