Terrorism
Vital context and news about terrorism around the world, from domestic terror to ISIS, Al Qaeda and more — including documentaries exploring the roots of hate groups in America and abroad.
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Related Stories
White Supremacist Terrorgram Network Allegedly Inspired Teen Accused of Killing Parents and Plotting Trump Assassination
Court documents reveal that Nikita Casap’s alleged manifesto calling for Trump’s assassination cited multiple Terrorgram publications and urged people to read the writings of a network member who murdered two people outside an LGTBQ+ bar in 2022.
April 17, 2025
Tracing Violent White Supremacists and Online Radicalization from Charlottesville to Today
In connection with the release of "The Rise and Fall of Terrorgram," explore a selection of FRONTLINE and ProPublica’s past documentaries and podcast episodes tracing the evolution of violent white supremacists and online radicalization, from Charlottesville to today.
March 25, 2025
‘I Heard This Roaring Sound’: Woman Describes Surviving Attack Inspired by Terrorgram Collective
Two of Radka Trokšiarová’s friends were killed in a shooting outside an LGBTQ+ bar in Bratislava, Slovakia, in 2022. The attacker was inspired by the Terrorgram Collective: a transnational online network that promoted acts of white supremacist violence and is the subject of a new FRONTLINE/ProPublica documentary.
March 25, 2025
A “Goofy” DJ’s Secret Life at the Center of an Online Terrorism Network
To friends, Matthew Allison was a likable part of Boise, Idaho’s electronic music scene. But behind his computer screen, authorities say, he helped lead the Terrorgram Collective, an online network that inspired white supremacist violence.
March 25, 2025
The Rise and Fall of Terrorgram: Inside a Global Online Hate Network
How a cadre of white supremacists used the loosely moderated social media platform Telegram to inspire lethal violence — until authorities took them down.
March 15, 2025
How the Terrorgram Collective’s Neo-Nazi Influencers Groomed a Teen to Kill
The murders of two people outside an LGBTQ+ bar at first looked like the act of a lone shooter. A ProPublica and FRONTLINE investigation shows they were, in fact, the culmination of a coordinated, international recruiting effort by online extremists.
March 8, 2025
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The Rise and Fall of Terrorgram
FRONTLINE and ProPublica investigate how an online network known as Terrorgram spread extremism and violence.
March 25, 2025
Flashback: The Little-Known History of Guantanamo Bay
President Trump’s stated plan to detain 30,000 migrants at the naval base brings a little-known history back into the spotlight: When the U.S. held Haitian asylum seekers there starting in the early 1990s.
January 31, 2025
9/11, More Than 20 Years Later: 20 Essential Documentaries to Watch
These films, selected from more than two decades of extensive FRONTLINE reporting, probe that fateful day and its lasting impacts on America and the world.
September 10, 2024
Ten Years Ago, ISIS Seized Power and Territory. What's Happened Since?
Explore FRONTLINE’s reporting on the rise of the terror group, the fight against it and the lasting ramifications below.
June 28, 2024
The Backstory on ISIS-K, the ISIS Affiliate Believed Responsible for Moscow Attack
Revisit FRONTLINE’s reporting on ISIS-K, an affiliate of the self-declared Islamic State.
March 25, 2024
Where Are the Yazidis Today, Almost a Decade After ISIS' Genocidal Campaign?
Almost a decade after ISIS launched a genocidal campaign against the Yazidi community in northern Iraq, Yazidis still face challenges as they seek justice, reunite with family members and attempt to rebuild their community.
March 13, 2024