Terrorist Attacks Legal Proceedings Sentencing Arrests Extradition Law Political Trials ISIS 9/11 Attacks Hamas Investigations Trial Bali Bombings RAF Members PKK Designation Assassination Plots Iran Military Detention Material Support Islamic State Group Hostage Situations Mass Murder Terrorist Groups Post-9/11 Terrorism Counterterrorism Operations Newburgh Four Case Law Enforcement Response Riverdale Bombing Plot Kurdish Separatist Groups Terrorist Organizations Political Violence Antisemitism Convicted Terrorists Terrorist Activities Counterterrorism Hezbollah Argentina Islamic State Bomb Plot Security Law Terrorist Threats Arrest Post-9/11 Terrorism Sting Newburgh Four Newburgh Defendants Government Entrapment Terrorist Group State-Sponsored Terrorism Religious Extremism Prison Management Mumbai Terror Attacks Extremist Organizations Islamic Extremism Domestic Terrorism Left-Wing Extremism Treason Cases Guantánamo Bay Charges Against Individuals Plea Deals Judicial Process Human Rights Violations Execution Right-Wing Terrorism
Authorities arrest four leaders, including self-proclaimed 'king' Peter Fitzek, as raids target the group's pseudo-state structures and extremist ambitions.