Related by context. Frequent words. (Click for all words.) 46 infiltrators 46 infiltrated 43 criminal gangs 42 militias 41 gangs 40 al Qa'ida 40 rogue elements 40 Al Qaeda operatives 40 militia 40 informers 40 Islamic radicals 40 insurgents 40 extremists 39 Al Qaeda 39 Shiite militia 39 informants 39 Shiite militias 39 extremist groups 39 paramilitaries 39 militants 39 Taliban 39 hackers 39 al Qaeda 39 al Qaeda operatives 38 botnets 38 al Qaida 38 Shi'ite militias 38 Mexican drug cartels 38 drug cartel 38 radical Islamists 38 drug traffickers 37 jihadi 37 extremist 37 al Qaida operatives 37 jihadists 37 operatives 37 infiltrating 37 Sunni insurgents 36 insurgent 36 gangsters 36 militant 36 cartels 36 sleeper cells 36 Islamic extremists 36 Islamist extremists 36 gang 36 Mungiki 36 jihadis 36 terrorists 36 guerrillas 36 Pakistani Taliban 36 ISI 36 neo Nazis 35 paramilitary 35 Lashkar e Toiba 35 Taliban fighters 35 FBI 35 Al Qaida 35 crime syndicates 35 Mexican cartels 35 militant factions 35 drug cartels 35 informer 35 militiamen 35 LeT 35 guerillas 35 Mujahideen 35 infiltration 34 cyber criminals 34 Jihadists 34 Islamic militants 34 mafias 34 Taliban militants 34 subculture 34 criminal underworld 34 ultras 34 LTTE cadres 34 FARC 34 Shin Bet 34 La Familia 34 al Shabaab 34 warlords 34 Zetas 33 cybercriminals 33 informant 33 splinter groups 33 neo Nazi 33 mafia 33 infiltrate 33 sympathizers 33 hacker 33 Jihadi 33 drug lords 33 underworld 33 Islamist militants 33 narcotics trafficking 33 Sinaloa cartel 33 La Cosa Nostra 33 Islamist militant 33 spies 33 insurgency