men to tweet this ominous sentiment was birmingham—born jihadist and supreme isis recruiter, junaid hussainollowing on social media by weaving posts of his favourite music with sermons that glorified violent terrorism. in june 2015, our undercover reporter began a conversation with him. we exchanged some tweets then he suggested we talk privately on an encrypted messaging site. almost immediately, he asked me if i wanted to do something over here, in london. as i was leading him on i said, "yeah, but i needed guidance." and his response to that was that he could help and he could train me on how to make bombs from home. in further exchanges hussain described london as the heart of the crusader army and vowed to organise an attack. but his personal ambition to hit the capital was never realised. he stopped messaging us and we later discovered hussain had been killed by a us army drone. this wasn't an accident, and he wasn't eliminated for any physical acts of violence. what made hussain particularly dangerous to the american authorities was his ability to use social media as a lethal weapon,