Case No. 31·Brazil

1996·Varginha, Minas Gerais

Brazil.Varginha

Brazilian Army operation in January 1996, one or more non-human creatures reported by civilians, soldier Marco Eli Cherese dead six weeks later from atypical bacterial infection. Thirty years later, the case remains politically alive: Brazilian witnesses testified behind closed doors in the U.S. Congress (Longworth, Jan 2026), a Brazilian neurosurgeon described a lilac-eyed entity, James Fox and Leslie Kean hosted the 30th-anniversary press conference at the National Press Club (Jan 2026), the Brazilian Superior Tribunal Militar dismissed the case as 'error and rumor' (Jan 2026), and the bipartisan Capitol press conference of Jun 9, 2026 specifically called to declassify Varginha records.

Year

1996

Tier

S

Probability

62%

Category

Incident

Strong evidence: instrumental sensor record + multiple witnesses (typically military). Three independent axes: the «tier» measures the strength of the evidence; the «probability» estimates how genuinely unexplained the case is —a natural phenomenon can remain unexplained, so it does not equal «non-prosaic»—; and the partition of explanations (below) says what it most plausibly was. So a well-documented case can have a possible hoax as its most plausible cause, and a Tier B is not, for that reason, a hoax.

Primary documents · viewer

Cargando visor…

Letter from Rep. Eric Burlison to CIA Director John Ratcliffe (Jul 7, 2026) demanding congressional production of records under FOIA F-2023-00442 — U.S. government flights and material transfer from Brazilian military custody (Jan 14–28, 1996, Campinas/São Paulo). Attaches the CIA's final response (Jan 10, 2025), a Glomar neither confirming nor denying, with FOIA exemptions (b)(1)/(b)(3) and EO 13526 §3.6(a).

U.S. House of Representatives · Central Intelligence Agency · Dominio público · US Government work (17 USC §105)

Part 01

The night in question

Between January 13 and 20, 1996, in Varginha (Minas Gerais, Brazil), multiple civilians reported sighting one or more non-human creatures — described as small, brown, with three cranial protrusions and large red eyes — in residential areas of the city. On January 20, three young women (sisters Liliane and Valquíria Silva, together with Kátia Xavier) reported seeing one of these creatures crouched near a vacant lot.

Simultaneously, the Brazilian Army and the Fire Department carried out search-and-capture operations in the city. Civilian witnesses reported military vehicles transporting containers and creatures. Soldier Marco Eli Cherese, a member of the Polícia Militar who participated in the operation, died on February 15, 1996 from an infection caused by an atypical (anaerobic) bacterium. His family has publicly maintained a causal connection between the operation and the infection.

Colonel Olímpio Wanderley Vieira, commander of the Third Battalion of the Polícia Militar of Minas Gerais, later confirmed the existence of the operation but denied its extraterrestrial nature. The case was investigated by A.J. Gevaerd (Revista UFO Brasil) and by Stanton Friedman. The Brazilian Army has not declassified formal documentation, but the military's acknowledgment of the operation is on the public record through statements by officers.

At thirty years, the case entered an institutional cycle with no precedent. On January 15, 2026, three members of the U.S. Congress held a closed-door session in the Longworth House Office Building (Washington) with Brazilian witnesses to the incident. The neurosurgeon Ítalo Venturelli — then a physician at Varginha's Regional Hospital — described having seen, in 1996, an entity with a teardrop-shaped skull and large lilac eyes, a description distinct from that of the Silva sisters (red eyes), suggesting either entities of different types or testimony independent of the Silva/Xavier cluster. Venturelli said he decided to speak in detail after a near-fatal heart attack, gave an exclusive interview to Ross Coulthart (NewsNation, Nov 2025) and appeared in two 2025-2026 documentaries; he is at once the highest-profile medical witness of the cycle and one of the most questioned, because his account changed markedly over time — a shift that raises reliability questions the corpus explicitly discounts. On January 20, 2026, exactly 30 years after the initial report, James Fox and Leslie Kean (the New York Times journalist who revealed AATIP in 2017) hosted a press conference at the National Press Club in Washington with first-hand Brazilian witnesses, medical experts and U.S. insiders.

That same January 2026, the Brazilian Superior Tribunal Militar (STM) published a digitized Inquérito Policial Militar concluding that the incident was 'error and rumor', not a recovered craft — the standing Brazilian institutional position. It is worth being precise about what that file is, because its weight comes from its method rather than its conclusion. IPM No. 18/97 was opened in March 1997 by the Army Sergeants School at Três Corações and filed with the STM that August, not to investigate a sighting but to determine whether military personnel had engaged in the conduct a 1996 book attributed to them: capturing and transporting a being. Its 600-plus pages reconstruct duty rosters, vehicle departures and returns, and unit routes, and conclude that there is a temporal and logistical incompatibility between the ufological accounts and what the barracks were actually doing on those dates. No military offence or administrative irregularity was identified that would warrant liability before the Union's Military Justice. The file is digitized and carries no access restriction in ARQUIMEDES, the court's own archive. In February 2026, former Defense Minister Aldo Rebelo publicly stated that he is aware of Brazilian military UFO documents and would release them 'if a similar movement occurs in the United States'. In May 2026, however, his party (Democracia Cristã) dropped him as 2026 presidential candidate over low polling and internal clashes — his operational capacity to trigger a Brazilian release was weakened. On June 9, 2026, the bipartisan press conference of Grusch and four lawmakers on the Capitol steps () specifically listed Varginha records among the files to be declassified, and raised the hypothesis that the beings reported here were transported to the United States.

The result is an inter-institutional divergence with no parallel in the corpus: two official sovereignties hold opposing readings of the same case. The Brazilian STM dismisses the incident; four U.S. lawmakers with a whistleblower under sworn testimony demand declassification of the records. The case is no longer 'Brazil-only' nor 'a Latin American anecdote': it is a formal dispute between two institutionalities. The testimonial claims that have emerged in this 2026 cycle — multiple entities recovered (some dead, at least one possibly alive), non-human body handled by medical personnel, anomalies in tissue samples of soldier Cherese — remain testimonial: there is no peer-reviewed medical paper, no documentary chain of custody for the hypothesized transfer to the U.S., no Brazilian diplomatic cable. The corpus registers them as a 2026 testimonial layer, distinct from the 1996 documentary core.

Part 02

Why this case moved the needle

The only Latin American case with: (a) civilian witnesses of entities + simultaneous military operation, (b) documented death of a participating soldier under atypical medical conditions, (c) official (partial) confirmation of the operation by a military commander. The combination of testimonies + military operation + medical fatality + partial institutional admission is very rare in the global corpus.

From the 2026 cycle, the case acquires a second layer that no other corpus case has: formal inter-institutional divergence between two sovereignties. The Brazilian Superior Tribunal Militar institutionally dismisses the incident (January 2026); four U.S. lawmakers with a sworn whistleblower institutionally demand declassification of its records (June 2026). In July 2026 that pressure left the press-conference stage: Rep. Eric Burlison — a member of the Task Force on the Declassification of Federal Secrets — sent a formal oversight letter to CIA Director John Ratcliffe demanding, within 30 days, congressional production of the records under FOIA F-2023-00442 (U.S. government flights and material transfer from Brazilian military custody, Jan 14–28, 1996); the CIA had already answered that FOIA with a Glomar — neither confirm nor deny, EO 13526 —, the first official-level U.S. documentary record the case produces. That divergence is the most distinctive structural signature of Varginha today: the case is no longer competing for new material evidence but for narrative jurisdiction. The operative question the corpus leaves open is not 'were there entities?' (calibrated in the case's MECE posterior) but 'which sovereign institution holds authority over the case?'. The answer to that second question will move future calibration more than any additional testimony.

Part 03

What's left on paper

Torre de agua con forma de platillo volador en Varginha, Brasil.

The «Nave Espacial de Varginha» water tower, a flying-saucer-shaped monument built in 2001 to commemorate the 1996 incident.

Wikimedia Commons · CC BY-SA 2.0

Documented evidence

  1. Convergent civilian testimonies Silva + Xavier (January 20, 1996) describing a small, brown creature with three cranial protrusions and red eyes
  2. Public operational confirmation by Colonel Olímpio Wanderley Vieira (3rd PM Minas Gerais Battalion) — confirms military operation, denies ET nature
  3. Death of soldier Marco Eli Cherese on February 15, 1996 from atypical anaerobic bacterial infection following the operation (unresolved biological cause)
  4. Sustained 1996-2010 investigation by A.J. Gevaerd (Revista UFO Brasil) + Stanton Friedman with extensive interviews of civilian and military witnesses
  5. Closed-door U.S. Congress session at the Longworth House Office Building (Jan 15, 2026) with three members of Congress + Brazilian witnesses — first official bilateral meeting on the case
  6. Testimony of neurosurgeon Ítalo Venturelli (Varginha Regional Hospital, 1996): describes a lilac-eyed, teardrop-skulled entity; came forward after a heart attack, exclusive interview with Ross Coulthart (NewsNation, Nov 2025) and two 2025-2026 documentaries — high-profile medical witness but with a changing account (reliability questioned)
  7. Brazilian neurosurgeon testimony at the Longworth session describing an entity with large lilac eyes — distinct from the Silva cluster (red eyes), suggesting independent testimony or different types of entities
  8. 30th-anniversary press conference at the National Press Club hosted by James Fox and Leslie Kean (Jan 20, 2026) with first-hand Brazilian witnesses, medical experts and U.S. insiders
  9. Inquérito Policial Militar (IPM) of the Brazilian Superior Tribunal Militar digitized and published in Jan 2026: official conclusion 'error and rumor', not recovered craft — standing Brazilian institutional position
  10. Public statement by former Defense Minister Aldo Rebelo (Feb 2026): aware of Brazilian military UFO documents, would release them 'if a similar movement occurs in the U.S.' — conditional statement, not admission
  11. Formal bipartisan call on the Capitol steps (Jun 9, 2026, ): four lawmakers + David Grusch demand specific declassification of Varginha records, raise the hypothesis of transfer of beings to the U.S.
  12. Official letter from Rep. Eric Burlison (member of the Task Force on the Declassification of Federal Secrets) to CIA Director John Ratcliffe (Jul 7, 2026): demands congressional production, within 30 days, of the records under FOIA F-2023-00442 concerning U.S. government flights and material transfer from Brazilian military custody (Jan 14–28, 1996, Campinas/São Paulo); attaches the CIA's final response (Jan 10, 2025) that invoked a Glomar — neither confirm nor deny, FOIA exemptions (b)(1)/(b)(3), EO 13526 §3.6(a) — the first official-level U.S. documentary record on the case
  13. 2026 testimonial claims emerging from the Fox/Kean cycle (undocumented): multiple entities recovered (some dead, at least one possibly alive), non-human body handled by medical personnel, tissue-sample anomalies in soldier Cherese 'that current medicine cannot explain' — no peer-reviewed medical paper nor chain of custody

Sources

  1. Revista UFO Brasil — Varginha case file (1996+)
  2. Gevaerd, A.J. & Stevens, W. — UFO Crash at Varginha (1998) Detailed reconstruction
  3. Friedman, S. — TOP SECRET/MAJIC 2nd ed. (2005) Varginha chapter
  4. Kean, L. & Blumenthal, R. — 'Landmark Brazilian UFO Case Reaches Capitol Hill as Varginha Incident Turns 30' (The Debrief, ene 2026) Longworth session, Jan 15, 2026, with Brazilian neurosurgeon + three members of Congress.
  5. FanBolt — 'Inside James Fox's Landmark National Press Club UAP Event' (ene 2026) NPC press conference, Jan 20, 2026, claims about multiple entities and Cherese's tissue.
  6. NewsNation — 'Varginha UFO crash: Witnesses share testimony of crash, non-human encounter' (ene 2026) Coverage of the 30th-anniversary press conference.
  7. Sociedade Militar — 'Secret files in Brazil: Former Defense Minister Aldo Rebelo' (feb 2026) Conditional statement by the former Brazilian Defense Minister.
  8. Unidentified Phenomena — 'Capitol Press Conference: Grusch and Lawmakers Demand Disclosure' (9 jun 2026) Bipartisan call to declassify Varginha records; hypothesis of transfer to the U.S.
  9. Fliegerfaust — 'Varginha UFO press conference: Fox witnesses vs Brazil files' Comparative analysis of the Fox/Kean witnesses and the Brazilian institutional position.
  10. IBTimes UK — 'Aldo Rebelo Says He Knows What's Inside US UFO Files, Vows Brazil Reveal if Elected President' Rebelo's conditional statement + context of the 2026 presidential candidacy (dropped in May 2026).
  11. Rep. Eric Burlison → CIA Director John Ratcliffe — carta de supervisión sobre la FOIA F-2023-00442 (Varginha), 7 jul 2026 Demands congressional production of the records of U.S.–Brazil flights and material transfer (Jan 1996); attaches the CIA's Glomar response (Jan 10, 2025). Document embedded in the case viewer (public domain, US Government work).
  12. Inquérito Policial Militar nº 18/1997 — ARQUIMEDES, Superior Tribunal Militar (Brasil) Primary source for the Brazilian institutional position: the full file, digitized and free of access restrictions in the court's own archive. The case's previous 11 sources were press and books; the inquiry the official conclusion rests on was not cited.

Location

Varginha, Minas Gerais · -21.55°, -45.43°

Distribution of explanations

This case is classified among the model's hypotheses: the bar splits 100% by how much each explanation weighs (the uncertainty is spread across the hypotheses the case supports). Summed across the corpus they produce the comparable partition. It is a different question from the Probability above: that one estimates how likely the case is a genuinely unexplained phenomenon; this one splits which the explanation would be.

Non-human + state cover-up53%
Misidentification25%
Classified human technology11%
Non-human, no state management8%
Adversary technology3%

Modal hypothesis: Non-human + state cover-up 53% · sums to 100%

Structured analytical judgment, not a calibrated frequency. Forced classification: the mass the evidence cannot assign is spread across the hypotheses the case does support.

Related cases

Associated actors (4)