IKN

I’m guessing it works like this:

• Target chosen, team picked and sent in to blow themselves up. All provided with explosive jackets etc. All briefed on their objectives together.
• Post-briefing, main player (organizer, useful bomb maker, larger cog) taken aside and secretly told to dump vest and leave scene alive.
• Operation goes ahead, all but one do their suicide bombing thing, one “has second thoughts” and dumps explosives.
• Goes into hiding, massive search gets underway.
• Perp eventually found and killed/arrested.
• Top ISIS hierarchy use arrest as motivation for next attack team
• Target chosen, team picked and sent in to blow themselves up. All provided with
  explosive jackets etc. All briefed on their objectives together.
• Post-briefing, main player (organizer, useful bomb maker, larger cog) taken aside and secretly told to dump vest and leave scene alive.
• Operation goes ahead, all but one do their suicide bombing thing, one “has second thoughts” and dumps explosives.
• Goes into hiding, massive search gets underway.
• Perp eventually found and killed/arrested.
• Top ISIS hierarchy use arrest as motivation for next attack team.
• Target chosen, team picked and sent in to blow themselves up. All provided with
  explosive jackets etc. All briefed on their objectives together.
• Post-briefing, main player (organizer, useful bomb maker, larger cog) taken aside and secretly told to dump vest and leave scene alive.
• Operation goes ahead, all but one do their suicide bombing thing, one “has second thoughts” and dumps explosives.
• Goes into hiding, massive search gets underway.
• Perp eventually found and killed/arrested.
• Top ISIS hierarchy use arrest as motivation for next attack team.
• Etc.