This grant used to support things like community violence interrupters, Cure Violence, hospital-based interventions.

Now, the DOJ says it will prioritize applications that directly support law enforcement and coordinate with federal law enforcement agencies, including on immigration.

But, like manifestos, that means media — and social media — need to be careful about amplifying their messaging.

"When perpetrators want attention and you give it to them, you’re rewarding them," Lankford, who has researched the "gamification" of mass violence, told me.