Browse Conspiracy Theories

The false claim that a child sex-trafficking ring linked to Democratic Party officials operated out of Comet Ping Pong pizzeria in Washington DC, based on misreadings of John Podesta's hacked 2016 emails.

A sprawling conspiracy movement originating on 4chan and 8chan in October 2017, centered on anonymous "Q" posts alleging that a cabal of Satan-worshipping pedophile elites controls government, media, and finance, and that Donald Trump is leading a secret war to expose them.

A loose coalition of researchers and activists who reject the official account of the September 11, 2001 attacks, alleging government foreknowledge, controlled demolition of the World Trade Center, or a staged Pentagon strike.

Internal documents proved that major tobacco companies knew cigarettes were addictive and caused cancer as early as the 1950s, while publicly denying both for decades. They funded fake research, suppressed internal findings, and targeted youth marketing. Settled via 1998 Master Settlement Agreement ($206 billion).

Forty-year (1932-1972) US Public Health Service study of 399 Black men with syphilis in Alabama. Researchers withheld treatment — even after penicillin became standard cure in 1947 — to observe the disease's progression. Exposed by whistleblower Peter Buxtun in 1972.

FBI covert program (1956-1971) that surveilled, infiltrated, discredited, and disrupted American political organizations including the Civil Rights Movement, the Black Panthers, and anti-war groups. Exposed when citizens broke into an FBI field office in 1971.

The second attack in the Gulf of Tonkin (August 4, 1964) — used to justify escalation of the Vietnam War — never happened. Declassified NSA documents (2005) revealed the Johnson administration knew the attack was fabricated.

Reagan administration officials secretly sold arms to Iran (under embargo) and diverted the proceeds to fund Nicaraguan Contra rebels (Congressionally banned). Exposed in 1986; led to 14 convictions.

A CIA program (1953-1973) that conducted illegal, often horrific experiments on unwitting American and Canadian citizens using LSD, hypnosis, sensory deprivation, and torture to research mind control. Declassified in 1977.