‘Blow Yourself Up, O Lion’: How ISIS uses WhatsApp to spread terror
A trove of communications from ISIS plots and activity in Europe reveals a mix of direct control and improvisation. After assembling suicide bomb vests for the attacks that slaughtered 130 people in Paris last November, Najim Laachroui went underground in his native Brussels. The 24-year-old explosives expert wasn’t just hiding from the biggest manhunt in…