Conspiracy theories come from distrust in government, media, and institutions

A movie helped make JFK assassination conspiracies widespread

Oliver Stone's film "JFK" (1991) imagined the 1963 assassination of President John F. Kennedy as the result of a conspiracy by US government agents. Before the film, this belief was not common, but it became widely adopted afterward. The film's impact contributed to the release of major CIA files in subsequent decades. (Some users may experience a paywall.)

Conspiracy theories persist around Dr. Martin Luther King Jr.'s 1968 assassination

Despite multiple investigations—including FBI inquiries and a 1979 House committee report—questions and conspiracy theories have continued to surround the 1968 assassination of Dr. King long after his assassin’s conviction.

US intelligence allegedly pursued more than 600 schemes to assassinate Fidel Castro

From exploding cigars and poisoned Cohibas to an infected scuba suit and plans to drug a TV studio with LSD, this account catalogs the CIA's strangest—and consistently unsuccessful—attempts to kill Fidel Castro over decades.

Limited transparency soon after Chernobyl made it a source of conspiracy theories

Some rumors about the event became perceived as more reliable than the Soviet mass media, which had omitted key information during the early days of uncertainty. The resulting theories included CIA involvement in the disaster, three-headed birds, aliens, and a weaponized earthquake.

The CIA once tried to poison Fidel Castro's milkshake during the Cold War.

Some believe Princess Diana's fatal car crash in 1997 was planned

The tragedy that killed the Princess of Wales; her partner, Dodi Fayed; and their driver, Henri Paul; in Paris has been the subject of popular conspiracies. Diana, known to have a difficult relationship with the royal family, was believed by many to have been the victim of a murder plot.

The reptilian conspiracy theory posits that humanoid lizards run the world

Conspiracy theorists believe shape-shifting reptiles have taken human form and gained authority to manipulate human populations. From US politicians to British royalty, could lizard people be holding positions of power?

'Birds Aren't Real' parodies the way memes traffic conspiracy theories

Peter McIndoe claims the US government killed 12 billion birds only to replace them with drones. These statements have powered protests—and McIndoe's fictional campaign that highlights how conspiracies and their theorists are treated.

Camus died in a car crash, an act some believe was orchestrated by the KGB.

The FBI ran a covert campaign to discredit Dr. Martin Luther King Jr.

From 1963 to 1968, the FBI surveilled Dr. King with wiretaps, hotel bugs, informants, and anonymous threats, citing concerns about Communist influence—an effort later revealed through declassified files and documented in the film MLK/FBI.

Joseph Kennedy Sr., President John F. Kennedy's father, became the first chairman of the Securities Exchange Commission in 1934.

Psychology research shows that conspiracy theorists tend to have a desire to be unique

While conspiracy theorists are often understood to have feelings of powerlessness in their lives, research suggests they may also be inclined to set themselves apart from the masses.

The long history of Kurt Cobain suicide conspiracy theories

Cobain died by suicide in 1994, but it wasn't long before fans began espousing conspiracy theories alleging that the government or his wife and lead singer of Hole, Courtney Love, had him killed. Seattle police revisited the case in 2014, but determined that it was indeed a suicide.

A fake vaccine campaign was used to locate Osama bin Laden, fueling vaccine distrust

As part of the intelligence operation to find bin Laden in Pakistan, the US Central Intelligence Agency recruited a Pakistani doctor who ran a fake hepatitis B vaccine campaign and obtained DNA samples from bin Laden. News of this fake campaign fueled further distrust of healthcare workers, attacks on them, and stymied efforts to vaccinate against polio in the region.

Conspiracy theories today are often born from online radicalization

New York Times tech columnist Kevin Roose examines how individuals become radicalized while using platforms like YouTube. Hate crimes that took place before the COVID-19 pandemic inspired the podcast, which looks at online commentators, algorithms, and isolation, and possible explanations for how increased online activity can sometimes lead to violent crime.

Wind farms are targets for conspiracy theories due to their visibility and complexity

The proliferation of misinformation and conspiracy theories surrounding wind farms is driven by deep-seated anxieties about change, distrust of government, and resistance to confronting the complexities of modern energy solutions.

Jean Stafford’s ‘A Mother in History’ followed the mother of JFK’s assassin

Marguerite Oswald, the mother of Lee Harvey Oswald, leaned into the public eye after her son’s crime. Stafford’s decision to interview her was the subject of controversy, but offered an interesting character study of a maligned woman openly inclined to make money off the attention she was receiving.

Take a multimedia journey through the thirteen days that nearly ended the world

In October 1962, the Cuban Missile Crisis brought the US and Soviet Union to the brink of nuclear war. This interactive archive from the JFK Library reconstructs those tense days through documents, photos, and secretly recorded conversations from the Kennedy White House.

The theory of chemtrails originated from misinterpreting a US Air Force paper

The document proposed a future weather modification system to achieve military objectives, but clarified that such a system "does not reflect current military policy, practice, or capability." Past testing of biological and chemical weapons has accelerated conspiracies about streaks of condensation trailing aircraft to be harmful chemical agents.

Hear about the US role in the Cuban Revolution—and the blowback it caused

Against long odds, Fidel Castro launched a socialist revolution just 90 miles from the US and kept it alive for decades. This 10-part podcast traces Washington's pivot from early support to an obsessive campaign of sabotage and hundreds of alleged assassination plots.

Explore a podcast devoted to uncovering different conspiracy theories

Hear stories of controversial events from all around the world and come to your own conclusions about why they happened—and if someone shaped the narrative around them. From art fraud to the death of a Roman emperor, this Spotify podcast covers it all.

There were dozens of attempts to assassinate Hitler—most famously Operation Valkyrie in July 1944

Across his reign, Hitler survived at least 40 plotted and actual assassination attempts, ranging from lone actors in beer halls to organized military conspiracies. The most notable, Operation Valkyrie on July 20, 1944, led by Colonel Claus von Stauffenberg, planted a bomb at the Wolf’s Lair in an effort to kill Hitler and overthrow the Nazi regime. Though the explosion injured several, Hitler escaped with minor wounds, prompting a brutal purge of conspirators.

The unsolved murder case of Martha Moxley and the overturned conviction of a Kennedy cousin

Moxley was murdered in 1975, and the case went cold for a quarter of a century until Michael Skakel—a young relative of the Kennedy clan—was convicted of the murder. Eleven years into his sentence, Skakel's conviction was overturned, prompting a new set of questions.

Listen to a widely lauded historical fiction podcast about the manhunt and power struggle that gripped the US after President Abraham Lincoln's assassination.

An LSD scientist's role in a US mind control project

Within a decade of LSD's discovery, the US government had launched a secret initiative involving hypnosis and hallucinogens. LSD researcher Louis Jolyon West conducted experiments for the CIA's MKUltra project, which focused on the potential of mind control. He later took part in a criminal trial that hinged on testimony whose sourcing was seemingly inspired by MKUltra experiments. This article explores light shed by West's personal archive.

The US tried to overthrow the communist government in Cuba—and failed

In 1961, the US backed an invasion of Cuba by anti-Castro exiles, aiming to spark an uprising against the communist government. The operation collapsed within days, embarrassing the US and pushing Cuba closer to the Soviet Union.

Watch a news clip from the evening of 'the Saturday Night Massacre'

On Oct. 20, 1973, President Nixon ordered the firing of Special Prosecutor Archibald Cox—prompting the resignations of Attorney General Elliot Richardson and Deputy AG William Ruckelshaus. This NBC News Special Report shows the immediate aftermath of the decision.

Abraham Lincoln's missing bodyguard

The night President Abraham Lincoln was shot, his bodyguard John Frederick Parker was late for his shift—and reportedly left his post to drink at the bar. Infamous assassin John Wilkes Booth entered the booth at Ford's Theater where the president sat while Parker was absent, leading to one of the United States' greatest political tragedies. Read more about the troubled history of Parker here.

Denver International Airport is associated with numerous dark conspiracy theories

Since opening in 1995, the country's largest airport has spurred a variety of conspiracy theories. Some believe the runways form a hate symbol; others believe its giant horse statue is cursed.

The FBI's most famous cases

From the D.B. Cooper plane hijacking to the kidnapping of Frank Sinatra Jr. to the details about the first FBI agent killed in the line of duty, this FBI archive overviews the agency's most famous cases. Cases are organized by investigative priorities, according to the agency. Clicking any of the linked investigations takes readers to detailed articles about the cases, some of which remain unsolved.

Lincoln was assassinated by a well-known actor, who originally planned to kidnap him

On April 14, 1865, actor John Wilkes Booth shot President Abraham Lincoln at Ford's Theatre in Washington, DC. Booth had initially conspired to kidnap Lincoln but turned to assassination after the Confederacy's defeat.

The FBI investigated John Steinbeck, believing he might be a communist.

An independent research team believes musician Kurt Cobain's death was not a suicide

Conspiracy theorists have long argued that the Nirvana frontman's 1994 death was a homicide. In 2026, an independent research team reached a similar conclusion. The Seattle Police Department, however, revisited the case in 2014 and maintained that it was a suicide.

Individuals have been convicted of ordering assassinations from the dark web

Researchers have uncovered online storefronts allegedly run by members of various mafia or hitmen that offer to harm or murder individuals in exchange for monetary payment. However, no known murder has been attributed to any of them, and cybercrime task forces believe them to be scams (warning—sensitive content).

US intelligence warned in multiple reports of al-Qaida's plans to strike before 9/11.

Hollywood’s best scandals

With all the money, power, and beautiful people in Hollywood, it’s no wonder there’s no shortage of scandals. This list highlights 10 of the most salacious ones, from Marilyn Monroe’s affair with then-president John F. Kennedy, to the mysterious death of starlet Natalie Wood in 1981.

The Illuminati were a real espionage society in the 1770s

Bavarian professor Adam Weishaupt founded the group in 1776 as an anti-clerical, anti-royalist sect that used hierarchy, codes, and surveillance as a proto-spy network. Within a decade, it was suppressed, but the mythology never quite died. Today, it functions as an adaptable conspiracy theory, able to fit any era's anxieties about who really holds power.

Who was behind the fatal 1982 Tylenol poisonings?

In 1982, an unknown suspect laced Tylenol packages with potassium cyanide in a Chicago pharmacy. Seven people were killed, and the case led to a nationwide panic, as well as the development of tamper-resistant packaging. No one was ever charged with the deaths, and the lead suspect died in 2023 after serving time in prison for trying to extort $1 million from a manufacturer to "stop the killing."

Watch the breaking news report of the revelation that brought down the Nixon presidency

In August 1974, following a unanimous Supreme Court ruling, the White House released the "smoking gun" tape—revealing Nixon's role in the cover-up. Watch the CBS News report from Aug. 5, 1974, detailing the fallout from the release of the tapes.

The quiz show scandals eroded trust in the media

Many viewers were attracted to the shows because they were filled with real people winning real money. After it was exposed that “Dotto,” “Twenty-One,” “The $64,000 Question,” and others had been fixed, the genre struggled to regain viewers’ trust. The government intervened, too: President Eisenhower called the shows’ deception “a terrible thing to do to the American people” and Congress amended the Communications Act in 1960, explicitly outlawing fraudulent game shows.

Spikes in pizza orders near US government buildings are thought to be signs of international crises

Theorists have long believed that sudden increases in pizza deliveries near the Pentagon signal a major event is about to occur. Historical examples include the CIA ordering 21 pizzas the day before the beginning of the Gulf War, and another surge of deliveries before former President Bill Clinton's impeachment hearings. Citizens have since begun monitoring food orders in the area. See a tracker of Pentagon pizza orders here.

The coronavirus pandemic sparked theories about the dangers of 5G

COVID-19 spreading around the same time as the rollout of 5G sparked conspiracy theories and outrage that the new wireless technology was harming people and the environment. (Some users may experience a paywall.)

Searching for a hate crime's unknown victim

In 2004, two federal agents heard a rumor: two white men, one under investigation for an unrelated crime, had gotten away with killing a Black man 15 years earlier as a requirement to join a white supremacist group. One of the men confessed to the crime, though he didn't know who was killed. This series dives into the search for the slain man and the justice he deserved.

The 25th Amendment clarified presidential succession and disability after JFK's assassination

Ratified in 1967, the 25th Amendment established procedures for replacing a vice president and transferring power when a president is incapacitated. It was designed to prevent leadership crises like those exposed after President Kennedy's death.

The White House Situation Room was created in 1961

In 1961, John F. Kennedy approved the establishment of the White House Situation Room—a secure crisis-management center in the West Wing basement—following the intelligence failures of the Bay of Pigs invasion and the growing tensions of the Cold War.

Food stamps were revived as a JFK pilot as one of his first actions upon taking office in 1961, but the program had its largest expansion under President Richard Nixon in the late 1960s and early 1970s.

9/11 reshaped US foreign and military policy for decades, shifting focus to non-state actors and the Middle East.

9/11 permanently changed air travel security in the US with the creation of the Transportation Security Administration.

Scholars allege the CIA funded the prestigious Iowa Writers' Workshop

The graduate program—which instructed legendary writers like Flannery O'Connor, Raymond Carver, and John Berryman—received funding from several CIA fronts. Some academics suggest this was in the service of promoting a realist American literature as a counterpoint to Soviet fiction.

The host of ‘The Dating Game’ claimed it was a CIA front

In his 1984 autobiography, “Confessions of a Dangerous Mind,” “Dating Game” host Chuck Barris claimed the show was a front concealing his true job as a contract assassin for the CIA. Despite skeptical responses and a lack of evidence, Barris continued to say the story was true. In 2002, screenwriter Charlie Kaufman adapted the book for the screen.