Attacks Radicalization Attack Planning Youth Involvement Security Threats Islamic State Charlie Hebdo Attack Political Responses Arrests Knife Attacks Attacks in France Security Measures Investigations Trials Murder Attacks in Germany Impact on Society Threat Assessment Foreign Fighters Suspect Profile Threats Far-right Extremism War Crimes IS Terrorism Attacks on Media FBI Investigations Al-Qaeda Vehicle Attacks Attack Details Attacks on Civilians Antisemitic Attacks Assassination Attacks on Public Places Lone-Wolf Attacks Recent Incidents Lone Wolf Attacks Recent Attacks Extremist Attacks Impact on Public Events Preventive Measures Political Violence Planned Attacks Police Operations Knife Attack Stabbing Incidents France Youth Radicalization French Teacher Stabbing Attack Plot Threat Level Teenagers Counterterrorism Efforts Youth Involvement in Terrorism Boko Haram Attacks on Jewish Community Attacks on Communities Terrorist Cells Cross-Border Crime Youth Crime Targeting Educators Victims Incidents