The Digital Battlefield: How Terrorists Use the Internet and Online Networks for Recruitment and Radicalization

Campus Antisemitism and Free SpeechHomeland Security Subcommittee on Counterterrorism and Intelligence · March 4, 2025 · 119th Congress
The House Homeland Security Subcommittee on Counterterrorism and Intelligence held its first hearing of the 119th Congress to examine how foreign terrorist organizations like ISIS, domestic extremists, and other actors use the internet, social media, gaming platforms, and generative AI to recruit and radicalize individuals, including juveniles. Begins at ▶ 0:16:34
Transcript
Highlights

Title

Online radicalization, AI, and terrorist recruitment strategies

Purpose

The House Homeland Security Subcommittee on Counterterrorism and Intelligence held its first hearing of the 119th Congress to examine how foreign terrorist organizations like ISIS, domestic extremists, and other actors use the internet, social media, gaming platforms, and generative AI to recruit and radicalize individuals, including juveniles. Chairman Pfluger framed the hearing as a bipartisan effort following the New Orleans Bourbon Street attack, and four expert witnesses testified on propaganda trends, AI risks, content moderation, and legislative options. Begins at▶ 0:16:34

Who spoke

• Chairman Mark Pfluger (R-TX)▶ 0:16:34: Opened the hearing, describing its purpose to examine how FTOs and AI are used to radicalize individuals▶ 0:16:34; detailed the New Orleans attacker Shamsud-Din Jabbar's online self-radicalization▶ 0:19:08; cited over 50 terrorism-related indictments since April 2021▶ 0:20:32; later questioned witnesses on First Amendment limits▶ 0:51:35 and the Georgetown incident involving PFLP member Rasmea Odeh-type speaker▶ 0:55:26.

• Ranking Member Seth Magaziner (D-RI)▶ 0:23:35: Thanked the chairman for bipartisanship, cited five juvenile radicalization plots disrupted since August 2023▶ 0:24:21, discussed the Terrorgram Collective prosecution▶ 0:25:10 and the Buffalo shooting▶ 0:26:11; pressed witnesses on standardizing content moderation across platforms▶ 0:57:20 and on regulating algorithms▶ 1:43:03.

• Dr. Daveed Gartenstein-Ross, Foundation for Defense of Democracies▶ 0:29:44: Introduced the concept of "composite violent extremism" (CVE), blending multiple ideologies▶ 0:30:38; warned AI is the next major shift in terrorism technology and is already being weaponized▶ 0:32:04; noted large language models are easy to jailbreak and cited DeepSeek as having fewer safeguards▶ 0:34:09; advocated for the GenAI Terrorism Threat Assessment Act▶ 0:34:58; later discussed cartel incentive-shifting strategies▶ 1:16:11.

• Dr. Aaron Zelin, Washington Institute for Near East Policy▶ 0:35:54: Detailed Jabbar's use of Meta smart glasses and ISIS's subsequent propaganda celebrating the attack▶ 0:36:14; cited 36 jihadi cryptocurrency arrest cases since 2015, 13 in 2024 alone▶ 0:38:07; noted 15 TikTok-related IS arrest cases since 2023▶ 0:39:02; discussed hashing databases and content moderation gaps in non-English languages▶ 0:54:27.

• Mr. Daniel Flesch, Heritage Foundation▶ 0:41:37: Linked pro-Palestinian activism and "globalize the intifada" rhetoric to radicalization risk▶ 0:42:29; cited the George Mason University case involving rifles and explosives found with two SJP-affiliated students▶ 0:45:14; called for withdrawing federal funding from universities platforming terrorist-linked speakers▶ 0:56:31; discussed regulating private messaging on platforms to combat child grooming▶ 1:19:04.

• Dr. Kurt Braddock, American University▶ 0:46:20: Argued online and offline radicalization are intertwined▶ 0:48:39; described "salad bar radicalization" where individuals mix ideologies▶ 0:49:24; explained platform revenue models disincentivize curbing harmful content▶ 0:49:51; advocated pre-bunking/digital literacy▶ 0:51:05; later defined "malicious provocation" (disfavoring the term "stochastic terrorism") in a heated exchange with Rep. Crane▶ 1:40:15.

• Rep. Marjorie Taylor Greene (R-GA)▶ 1:02:45: Displayed a photo alleging a "Global Intifada" group chat organized the October 2023 Cannon Rotunda protest, naming SPLC's Katrina Bleckley as a participant▶ 1:05:44; criticized FBI/DOJ under the Biden administration▶ 1:02:45.

• Rep. J. Luis Correa (D-CA)▶ 1:08:27: Raised concerns about recent FBI/CIA firings' effect on morale and institutional knowledge▶ 1:09:49; asked all four witnesses to weigh in, drawing mixed but cautionary responses▶ 1:10:44▶ 1:11:14▶ 1:12:00▶ 1:12:25.

• Rep. Morgan Luttrell (R-TX)▶ 1:13:51: Connected online radicalization to sex trafficking in Houston, pressing witnesses on how to "cut the head off the snake"▶ 1:14:20; asked about regulating private messaging platforms▶ 1:15:15.

• Rep. Dan Goldman (D-NY)▶ 1:19:50: Described past unanswered efforts to get X and Meta to address Hamas propaganda distribution▶ 1:19:50; pressed Zelin and Flesch on content moderation backsliding since Elon Musk's X purchase and rising neo-Nazi rhetoric▶ 1:21:34▶ 1:23:50.

• Rep. Eli Crane (R-AZ)▶ 1:25:31: Asked about hashing databases and deepfake regulation▶ 1:26:00; engaged in a contentious exchange with Dr. Braddock over selective application of "stochastic terrorism" to Trump versus Democratic officials▶ 1:29:49.

• Rep. Nellie Pou (D-NJ)▶ 1:31:33: Referenced a November 2022 New Jersey arrest involving a manifesto threatening synagogues▶ 1:32:19; asked Gartenstein-Ross about the predictive challenges of "composite violent extremism"▶ 1:32:47 and Braddock about the role of human judgment versus AI in moderation▶ 1:35:38.

Key moments

• Chairman Pfluger cited over 50 indictments between April 2021 and January 2025 for material support to or attack plots for ISIS, Al-Qaeda, and Hezbollah▶ 0:20:32.

• Zelin detailed how the Islamic State published a "We Were There" editorial celebrating Jabbar's attack and touting his use of Meta smart glasses▶ 0:36:43, and noted Jabbar followed a decade-old Rumiyah "Just Terror Tactics" guide on vehicle attacks▶ 0:37:12.

• Zelin reported 36 jihadi cryptocurrency arrest cases globally since 2015, with 13 occurring in 2024 alone, including an Idaho teen who tried donating $11,000 in Monero to ISIS▶ 0:38:07▶ 0:38:33.

• Gartenstein-Ross said terrorists "don't need ChatGPT" since less-safeguarded models like China's DeepSeek are easier to exploit, and offered to privately demonstrate jailbreaking techniques to members▶ 0:34:36▶ 0:34:09.

• Rep. Greene displayed a photo alleging that participants in the October 2023 Cannon Rotunda protest, organized in a chat titled "Global Intifada," included SPLC's Katrina Bleckley▶ 1:04:27▶ 1:05:44.

• Braddock and Rep. Crane clashed sharply over "stochastic terrorism," with Crane pressing Braddock on whether Democratic statements (Goldman, Waters, Biden) met the same standard Braddock applied to Trump; Braddock said he'd need context for each▶ 1:29:49.

• Rep. Correa asked all four witnesses whether recent FBI/CIA firings hurt national security; Braddock warned of lost institutional knowledge, citing terrorist groups' use of coded emoji communication▶ 1:12:25▶ 1:12:53.

• Gartenstein-Ross opposed legislating social media algorithms, citing Florida/Texas "anti-censorship" bills as precedent for why transparency requirements could tip off bad actors▶ 1:44:26.

• Flesch cited the November 2024 case of two George Mason University students, SJP chapter leaders, found with rifles, ammunition, and an explosive device▶ 0:45:14.

• Magaziner noted a January 2024 GAO report found neither DHS nor FBI had developed a comprehensive strategy for addressing online radicalization on social media and gaming platforms▶ 0:27:48.

Metadata

CommitteeHomeland Security Subcommittee on Counterterrorism and Intelligence
Chamber / CongressHouse · 119th Congress
DateMarch 4, 2025
TypeHearing
Witnesses
Kurt Braddock, — Private Citizen
Mr. Daniel Flesch — Private Citizen
Aaron Zelin, — Senior Research Fellow, The Washington Institute for Near East Policy
Daveed Gartenstein-Ross, Phd — Senior Advisor on Asymmetric Warfare, Foundation for Defense of Democracies
Videoyoutube
Transcript212 caption blocks · 15,326 words · 1:48:15 runtime
EventCongress.gov 117902