“He was speaking openly about the situation, saying that they have loads of people living in European countries and waiting for commands to attack the European people. And that was before the Brussels attacks, before the Paris attacks.” The NYT’s Rukmini Callimachi conducts a jailhouse interview with an ISIS operative who explains how a secretive branch of ISIS built a global network of killers.

+ Wired on Rukmini Callimachi: How One Journalist Uses Social Media to Get Inside the Minds of ISIS.

+ Longform did an interesting interview with Callimachi last year. She’s done a great job getting stories. But the distance from which she often covers ISIS is a reminder of how little direct data we have from inside the organization (and from the region in general).

+ The Pop Star of Jihad.