Browse Conspiracy Theories

Claims that HIV does not cause AIDS or that antiretroviral therapy is the real cause of AIDS.

The claim that 5G cellular technology causes harm to human health — cancer, COVID-19 infection, or population control — popularized during COVID-19 pandemic and amplified by social media.

The documented, decades-long effort by fossil-fuel companies (ExxonMobil, Shell, Koch Industries) and associated think tanks to deliberately manufacture doubt about climate science — well-documented through internal documents, industry memos, and legal discovery.

The documented large-scale pharmaceutical cover-up of opioid addiction risk by Purdue Pharma (OxyContin), Insys (Subsys), Mallinckrodt, and related firms — contributing to over 700,000 US opioid-related deaths since 1999.

Claims that Tokyo Electric Power Company (TEPCO) and the Japanese government systematically understated radioactive contamination from the March 2011 Fukushima Daiichi nuclear disaster.

Wirecard AG, a German fintech (payments processing) once valued at €24B, collapsed in June 2020 after admitting that €1.9B in reported assets "probably did not exist." Multi-year accounting fraud involving forged trust accounts in the Philippines and Singapore.

The 2008 financial crisis response — the $700B TARP, $182B AIG bailout, and Federal Reserve emergency lending — is subject to confirmed and contested claims: bank executives knew of subprime risk and profited anyway; "too big to fail" was institutionalized; regulatory capture was documented.

The April 2016 leak of 11.5 million documents from Panamanian law firm Mossack Fonseca revealed an international network of offshore shell companies used by politicians, celebrities, and criminals for tax evasion, money laundering, and concealing ownership.

The claim, promoted by Soviet KGB disinformation Operation Denver/INFEKTION (1983-1987) and subsequent circulation, that HIV/AIDS was created by the US CIA or US Army Fort Detrick biological weapons program.

The 1950s-60s marketing of thalidomide (sedative, anti-nausea for pregnant women) by Chemie Grünenthal (Germany), Distillers (UK), and Richardson-Merrell (US) despite internal knowledge of risks, resulting in ~10,000 birth defects worldwide and a major documented corporate cover-up.

The documented failure and subsequent cover-up of the police response to the May 24, 2022 mass shooting at Robb Elementary School in Uvalde, Texas, where 19 children and 2 teachers were killed. Officers waited in the hallway for 77 minutes while the shooter remained in a classroom with surviving children and their mothers pleading outside.

The July 17, 2014 destruction of Malaysia Airlines flight 17 (Boeing 777) over eastern Ukraine, killing 298 people. The Dutch Safety Board investigation and Joint Investigation Team (JIT) concluded the aircraft was shot down by a Russian-owned Buk surface-to-air missile system from a field in Russian-separatist-controlled Donbas.

The October 1, 2017 mass shooting at the Route 91 Harvest country music festival in Las Vegas, which killed 60 and wounded over 400 — the deadliest mass shooting in modern US history. Various conspiracy theories claim multiple shooters, ISIS involvement, MGM/security cover-up, or government-directed false-flag operations.

The April 20, 2010 Deepwater Horizon oil rig explosion in the Gulf of Mexico killed 11 workers and released ~4.9M barrels of oil — the largest marine oil spill in history. BP, Transocean, and Halliburton's cost-cutting and safety failures are documented; allegations of regulatory capture and concealment of spill volume are partly supported.

The Bush administration's 2002-2003 claim that Saddam Hussein's Iraq had operational ties to al-Qaeda, used as a central justification for the 2003 US invasion. The 9/11 Commission, Senate Intelligence Committee reports, and a 2006 Pentagon IG report all concluded no such operational relationship existed.

The false claim that the April 15, 2013 Boston Marathon bombing was staged by the US government or involved "crisis actors" rather than being conducted by the Tsarnaev brothers. The real bombing killed 3 people and injured 260+.

The long-documented relationship between Panamanian dictator Manuel Noriega and the US Central Intelligence Agency, including his role as a paid CIA asset (1967-1988) while simultaneously trafficking cocaine, running intelligence operations, and aiding US anti-communist operations in Latin America.

The concealment by Boeing of the Maneuvering Characteristics Augmentation System (MCAS) from pilots and regulators, which caused two fatal crashes — Lion Air 610 (October 2018, 189 killed) and Ethiopian Airlines 302 (March 2019, 157 killed) — and led to a 20-month global grounding.

The October 2, 2018 assassination of Washington Post journalist Jamal Khashoggi inside the Saudi consulate in Istanbul, Turkey. The US Intelligence Community's February 2021 declassified assessment concluded Crown Prince Mohammed bin Salman approved the operation.

The cluster of unexplained chronic symptoms affecting ~25-32% of 1990-91 Gulf War veterans, and the decades-long VA resistance to acknowledging it as a distinct service-connected condition.

The US military's use of Agent Orange herbicide in Vietnam (1961-1971) and the decades-long effort by the VA and chemical manufacturers to deny connections to veteran illnesses — cancers, type 2 diabetes, Parkinson's, peripheral neuropathy.

A cluster of unexplained neurological symptoms reported by US diplomats and intelligence personnel beginning at the US Embassy in Havana, Cuba in 2016, and subsequently at US facilities in China, Russia, Vietnam, Austria, and elsewhere.

The September 2022 sabotage of the Nord Stream 1 and Nord Stream 2 underwater natural gas pipelines between Russia and Germany in the Baltic Sea. Attribution has varied: Russia, Ukraine, or US/NATO operation.

The 2014-2019 lead contamination of Flint, Michigan's drinking water following a cost-saving switch from Detroit water supply to the Flint River, and the systematic suppression of evidence by state officials.