This U.S. Embassy cable documents the official American diplomatic reporting of the September 2023 Mexican Congressional UAP hearing at which alleged non-human remains were presented — a noteworthy diplomatic record of a foreign government's formal legislative engagement with UAP disclosure.
State Department UAP Cable 5, Mexico, September 16, 2003
Department of StatePDFCableUNCLASSIFIEDNo redactions3/10— niche or mildly interestingPURSUE Release 1
No official U.S. conclusion stated; the cable notes scientists have discredited Maussan's alien corpse claims and Graves characterized the display as an 'unsubstantiated stunt.'
Official Description
On September 12, 20023 the Mexican Congress heard testimony on UAP from experts related to the debate about an Aerial Space Protection Law, which, if approved, would make Mexico the first country to formally acknowledge the presence of alien life on earth. Experts asked legislators to recognize UAP, guarantee airspace security, and allow UAP to be studied. They presented to alleged alien corpses and videos of Mexican pilot’s encounters with fast-moving flying objects during flight. Disagreement about the efficacy and validity of the purported alien corpses.
UAP Insight Analysis— AI generated, not official
This is a U.S. Embassy Mexico diplomatic cable dated September 16, 2023, transmitting a weekly political blotter covering Mexican political developments from September 11-15, 2023. One section briefly reports on a September 12 Mexican Congressional hearing on UAP, during which journalist Jaime Maussan presented alleged alien corpses and former U.S. Navy pilot Ryan Graves testified, alongside videos of Mexican pilots encountering fast-moving aerial objects. The cable is primarily a political reporting document, with UAP content constituting a single section among eight topics covered.
Key Findings
→The Mexican Congress heard UAP testimony on September 12, 2023, as part of deliberations over an Aerial Space Protection Law that would make Mexico the first country to formally acknowledge alien life on Earth.
→Witnesses included Mexican journalist Jaime Maussan, who presented two alleged alien corpses, and former U.S. Navy pilot Ryan Graves, who had previously testified before the U.S. Congress.
→Videos of Mexican pilots encountering fast-moving flying objects during flight were presented to Congress.
→Ryan Graves publicly criticized Maussan's presentation as an 'unsubstantiated stunt,' stating it detracted from legitimate pilot UAP experiences.
→Scientists have previously discredited alleged alien corpses presented by Maussan as evidence of alien life, per the cable's own notation.
Extracted Entities
People
Jaime MaussanRyan GravesMarcelo EbrardAlfonso DurazoOmar Garcia HarfuchClaudia SheinbaumPablo Vazquez CamachoMarti BatresRicardo MonrealClara BrugadaSandra CuevasAdan Augusto LopezFernando Garcia FernandezVictor Manuel Salas CuadrasPatricia Jacqueline SalgadoLuisa Maria Alcalde
The UAP content in this document is a brief secondary item within a routine political reporting cable. The cable itself notes that scientists have previously discredited Maussan's alien corpse claims, and that Ryan Graves — a credible pilot witness — publicly called the presentation an 'unsubstantiated stunt.' The alleged alien corpses are not corroborated by scientific consensus. This document provides no primary UAP incident data and contains no sensor or physical evidence analysis; it is a diplomatic summary of a foreign legislative event.
Pablo Lemus
Dante Delgado
Enrique Alfaro
Samuel Garcia
Luis Donaldo Colosio
Emilio Gonzalez
Ricardo Villanueva
Sergio A. Moreno
Eduardo Cortazar
Amanda Karimi
Maria de los Angeles Tejeda
Brian Naranjo
Steven Conlon
J. Harder
Ifeoma Okwuje
Gregory Bernsteen
Mark Johnson
SALAZAR
Agencies & Organizations
U.S. Embassy MexicoU.S. Department of StateMORENAINE (National Electoral Institute)Mexico City Secretariat of Citizen Security (SSC)Federal Security Secretariat (SSPC)Federal Attorney General's Office (FGR)Guerrero state attorney general's office (FGE)National Security CouncilCIADIADNIDepartment of Homeland SecurityDepartment of JusticeHQ USNORTHCOMHQ USSOUTHCOMWhite House Office of the Vice President
Locations
Mexico CityGuerreroChilpancingoCoyuca de CatalanTierra CalienteGuadalajaraJaliscoNuevo LeonMonterreyCuauhtemocSicilyMacedoniaWashington DCMiami FLCaracas
Aircraft & Objects
Fast-moving flying objects encountered by Mexican pilots during flightTwo alleged alien corpses presented to Congress
Dates
September 9, 2023September 10, 2023September 11, 2023September 12, 2023September 16, 2023September 18, 2023Late August (incident with Patricia Jacqueline Salgado)June 2024 (upcoming Mexican elections)