Index/Topics/9/11 conspiracy theories

9/11 conspiracy theories

The federal response to 9/11 conspiracy theories and the persistence of these theories in public debate.

Fact-Checks

10 results
Jan 24, 2026
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did the world trade center towers collapse form the airplane crashes

The official, evidence-based conclusion is that the twin towers collapsed because hijacked airliners severely damaged structural components and ignited large multi-floor fires that weakened key elemen...

Feb 3, 2026

How has the US government responded to 9-11 conspiracy theories?

The federal response to has been two‑track: formal institutional rebuttal through investigations, reports and technical studies that reject alternative claims, and a broader public‑facing effort—suppo...

Feb 2, 2026

How many people were on board United Airlines Flight 175 when it hit the Twin Towers?

carried when it was flown into the South Tower: 56 passengers (which includes the five hijackers) and nine crew members, for a total commonly reported as 65 fatalities (56 passengers + 9 crew) . A sma...

Feb 1, 2026

What do declassified FBI files say about the Urban Moving Systems arrests on 9/11?

Declassified and police files detail the stops and detentions tied to a white van registered to , noting that five nationals were detained, their employer’s office was searched and sixteen computer un...

Jan 31, 2026

How have specific 9/11 “anomalies” like the Odigo messages and the “dancing Israelis” been investigated and explained?

Two of the most-circulated “anomalies” — pre‑attack received by and arrested after being seen filming — were promptly investigated by journalists and and later explained in ways that undercut claims o...

Jan 25, 2026

How do experts explain the collapse of World Trade Center Building 7 on September 11 2001?

Experts who studied (WTC 7) conclude that the building’s collapse at 5:20 p.m. on , resulted from fire-induced, gravity-driven failure initiated by structural damage from debris and prolonged uncontro...

Jan 18, 2026

How much of the insurance proceeds were documented as legal fees, redevelopment costs, or disbursed to third parties in the Silverstein litigation?

The public record assembled in these sources shows insurers ultimately paid roughly $4.1–$4.55 billion in World Trade Center insurance proceeds, and portions of those proceeds were formally allocated ...

Jan 15, 2026

What was the passenger and crew manifest for United Airlines Flight 175 and how many survived until impact?

United Airlines Flight 175 departed Boston for Los Angeles on September 11, 2001 with 65 people aboard — 56 passengers (including five hijackers) and nine crew — and was hijacked and flown into the So...

Jan 9, 2026

What evidence confirms American Airlines Flight 77 struck the Pentagon on 9/11?

Multiple independent lines of evidence — security camera footage, on-site photographs and debris catalogued by the FBI and other agencies, forensic identification of victims and hijackers, and enginee...

Jan 7, 2026

What videos or documentaries do conspiracists cite as proof

Conspiracy communities point to a recurring roster of films and viral videos—ranging from UFO “disclosure” features to broad New World Order exposés and 9/11 truther compilations—as visual proof that ...