Disclosed

Leslie Kean

investigative journalist and author

Claims listed
56
Checked
5 of 56
Videos
2
Background checked
25 Sep 2026
How Leslie Kean's claims fared when checked

Our assessment

The site's assessmentChecked 25 Sep 2026

Kean's investigative-journalism credentials are real and substantial -- her Pentagon UAP reporting met a genuinely high evidentiary bar and was independently significant. But that reputation was earned in a different domain (government-record investigation) from the one she speaks on in this corpus. On physical mediumship and spirit materialization she is a sympathetic first-person participant, not a researcher: no controlled methodology, no peer review, no independent replication of her own observations, and documented reviewers note her uncritical stance and incomplete engagement with the mediumship genre's well-known fraud history (a history the corpus material itself partly concedes, e.g. the Crandon/Margery case).

Credentials

Verified credentials

  • Attended the Spence School and Bard College (no journalism degree found)
  • Independent investigative journalist for over two decades, published in the Boston Globe, The Nation, the Globe and Mail, the International Herald Tribune, and HuffPost; featured on CNN, MSNBC, Fox, The Colbert Report and NPR
  • Co-author, with Ralph Blumenthal and Helene Cooper, of the New York Times's 16 December 2017 story revealing the Pentagon's Advanced Aerospace Threat Identification Program -- a well-documented, independently significant piece of investigative journalism
  • Author of 'UFOs: Generals, Pilots, and Government Officials Go on the Record' (2010), a New York Times bestseller with a foreword by John Podesta
  • Author of 'Surviving Death: A Journalist Investigates Evidence for an Afterlife' (2017, Crown)
  • Consulting producer and on-camera expert for 'UFOs: Investigating the Unknown' (2023 Break Thru Films docuseries, originally made for CNN)
  • Granddaughter of U.S. Congressman Robert Winthrop Kean (R-NJ); uncle is former New Jersey Governor Thomas Kean; cousin is Congressman Thomas Kean Jr.

Unverified or disputed credentials

  • 'Five years personally sitting with... physical medium Stewart Alexander' is a first-person experiential claim that by its nature cannot be independently verified by outside sources
  • No formal training, degree, or research credential in parapsychology, physics, or the methodology of investigating physical mediumship was found anywhere in this search

Expertise

Within their expertise

  • investigative journalism
  • specifically UAP/UFO government-record reporting

Topics outside their expertise

  • physical mediumship
  • spirit materialization
  • ectoplasm phenomena
  • parapsychology

Claims by video

56

The Reality of UFOs UAP with Leslie Kean

  • Unverified21:32Official document

    A 1999-2000 study group of senior French military and scientific officials concluded the extraterrestrial hypothesis was the most logical explanation for a subset (they estimated up to ~5%) of unexplained UFO sightings.

    The most logical, rational, and valid explanation for the sightings is what they call the extraterrestrial hypothesis.

  • Unverified24:34Firsthand

    Kean's first UFO story, based on the French report, was published in the Boston Globe in May 2000 under the headline 'UFOs might be real' and was picked up nationally on the wire services.

    I got the story published in the Boston Globe in May of 2000, which was based on that report.

  • Unverified27:39Official document

    A ~100-page report by NASA scientist Richard Haines documented over 90 cases of aircraft affected by UFOs, including 56 near misses, some dating to the 1950s, with instrument failures and evasive maneuvers.

    The data include 56 near misses. And these cases went all the way back to the '50s.

  • Unverified29:41Firsthand

    A TWA pilot in 1981 nearly collided with a UFO the apparent size of a grapefruit held at arm's length, which he said seemed to appear suddenly out of a 'bending of the atmosphere.'

    It was the size of a grapefruit held at arm's length... it kind of just appeared out of the sky, as if it had come from somewhere else.

  • Unverified31:42Unsourced

    UFO landing sites reportedly leave physical trace evidence, such as marks in the soil, burned vegetation, and radiation, which scientists have studied to learn about the objects.

    You can, you know, marks in the soil, burned vegetation, radiation, all kinds of evidence that documents the presence.

  • Unverified32:42Official document

    Hundreds of US government documents released via FOIA use the term 'UFO,' describe pilots attempting to shoot them down, and do not explain what the objects were.

    They use the word UFO in these documents... there is no way that those documents explain what these objects are.

  • Unverified32:42Unsourced

    Mass UFO sighting waves have occurred in which hundreds of people report seeing the same object over a period of time, considered compelling because of the number of independent witnesses.

    There are mass sightings of UFOs in waves in which hundreds and hundreds of people see the same thing over a period of time.

  • Unverified36:44Single sensor

    A 1971 photo taken by an automated Costa Rica aerial-mapping camera (one frame among many taken every 20 seconds) shows a disc-shaped object over a lake; it appears in only that single frame and was studied by multiple scientists who calculated its altitude and speed.

    It wasn't there before and it wasn't there after. And they calculated a lot about the height and the speed.

  • Unverified0:17Firsthand

    Karen Austin, who Kean says heads the Rice University metadata study, has discussed the project with Kean many times, and Kean intends to report on it when it is published.

    I've talked to Karen Austin about this who heads that up, you know, many times... I have every intention of trying to report on it when it comes out.

  • Unverified0:50Firsthand

    The John Mack Institute archive holds accounts from thousands of people describing similar-but-distinct anomalous experiences, which Kean says makes the phenomenon hard to dismiss as a fringe concern.

    thousands and thousands and thousands of people telling similar but different enough stories that you can't help but be... confronted with the idea that there is something very real and bizarre going on

  • Unverified1:33Unsourced

    Kean endorses Jim Semivan's argument that the UAP phenomenon itself, not government or human institutions, controls the pace of disclosure, and could disclose itself in seconds if it wished.

    I'm a lot go along with the Jim Semivan arguments is that it's really the phenomenon that's in control. Uh if the phenomenon wants disclosure, it could happen in 2 seconds.

  • Unverified1:52

    Kean argues gradual, incremental disclosure is preferable to an abrupt full release of information, because society could not immediately absorb or get answers to all the resulting questions.

    the best chance I think the best chance we have is to sort of gradually unfold it the way we are... not to be able to answer all the questions that would come up as a result of doing that

  • Unverified3:10Secondhand

    Kean says a number of unnamed insider sources convey an 'ominous' sense about what they know without sharing classified specifics, and that Elizondo's book carries the same tone.

    I get that sense from a number of sources I have that it's kind of ominous, you know, and Lou even in his book writes about it in that way

  • Unverified3:38Speculation

    Kean states the UAP phenomenon appears far more powerful than humanity and effectively 'in control,' with humans not at the top of the food chain.

    the phenomenon is obviously completely uh more you know, so much more powerful than we are that basically it's in control... not being at the top of the food chain

  • Unverified3:50Speculation

    Kean relays a theory she has heard, not her own, that continued environmental destruction and escalating geopolitical conflict could lead to dire events in coming years, and that if the phenomenon is 'really in charge,' its response to a human-caused planetary crisis is unknown; she explicitly labels this '100% speculation.'

    since we are in the process of destroying our planet on an environmental level, plus geopolitically, things are escalating, and we're very warlike... there may be some kind of serious events that unfold in the next years that are very dire for the planet... this is 100% speculati

  • Unverified4:59Secondhand

    A claim, raised in the conversation, that communications attributed to non-human intelligence (NHI) during contact experiences frequently concern environmental themes.

    the messaging coming from NHI over and over and over again, you know, and with experiences, it a lot of times it has to do with environmental issues

Their videos

2