I12 entries
- 13 Illuminati BloodlinesTheory originated by Fritz Springmeier asserting that thirteen elite families constitute a hereditary satanic ruling caste.
- ICKE, DavidBritish former footballer and broadcaster who became the world's leading proponent of reptilian shapeshifter conspiracy theories.
- Icke's Twelve BloodlinesDavid Icke's theory claiming twelve interrelated royal and aristocratic bloodlines are reptilian-human hybrids controlling world governments, recycling antisemitic conspiracy tropes without evidence.
- IlluminatiSecret society founded in Bavaria in 1776 by Adam Weishaupt to promote Enlightenment rationalism, suppressed by authorities in 1785, whose brief historical existence has generated extensive modern conspiracy theories about an ongoing world-controlling organization.
- IMANISHI-KARI, TherezaBrazilian-American immunologist who was accused of scientific misconduct in the Baltimore Affair case involving alleged data fabrication in a 1986 research paper, later exonerated after a decade-long investigation that became a landmark case in scientific oversight.
- InfowarsMedia outlet and website founded by Alex Jones in 1999 that became a central hub for conspiracy theories and alternative news content before facing widespread deplatforming and legal challenges over false claims about mass shooting events.
- INTERNATIONAL PEACE MISSION MOVEMENTAmerican religious movement founded by Father Divine based on his claims to divine incarnation, known for racially integrated communes, economic cooperatives, and the belief that heaven could be achieved on Earth through righteous living.
- Internet Infrastructure Conspiracy TheoriesInternet infrastructure conspiracy theories claim that the global internet is designed and controlled by intelligence agencies and powerful organizations to enable comprehensive surveillance, information manipulation, and population control, theories that gained significant credibility through revelations about NSA programs and intelligence agency involvement in internet development but often exaggerate the degree of coordinated control.
- Internet Kill Switch FearsConcerns about government ability to shut down internet communications during emergencies, based on documented examples of internet blackouts by authoritarian regimes and emergency powers legislation in democratic countries.
- Internet Research AgencyRussian company engaged in online propaganda and disinformation operations, creating thousands of fake social media accounts to influence foreign elections and sow discord, particularly targeting the 2016 U.S. presidential election.
- Iran-Contra AffairReagan administration scandal involving secret arms sales to Iran and illegal funding of Nicaraguan rebels, resulting in multiple criminal convictions and constitutional crisis.
- IRVING, Clifford, Howard Hughes Autobiography HoaxElaborate literary fraud in which author Clifford Irving convinced McGraw-Hill publishers that reclusive billionaire Howard Hughes had authorized him to write Hughes's autobiography, resulting in a $750,000 advance before the hoax was exposed when Hughes himself publicly denounced the project in 1972.