“EACH NEW BREAKING news situation is an opportunity for trolls to grab attention, provoke emotions, and spread propaganda. The Russian government knows this. Fake-news manufacturing teenagers in Macedonia know this. Twitter bot creators know this. And thanks to data-gathering operations from groups like the Alliance for Securing Democracy and RoBhat Labs, the world knows this.”
Source: Pro-Gun Russian Bots Flood Twitter After Parkland Shooting | WIRED