How do we prevent the next mass shooting before it happens? That's the question Mother Jones national affairs editor Mark Follman has been researching since 2012, when a gunman killed 12 people at a movie theater in Aurora, Colo.
Follman says the first step is recognizing the misconceptions we have about mass shootings — beginning with the notion that these massacres come out of nowhere, and that no one saw them coming. That's not the case, he says.
