Republican Rep. Dusty Johnson of South Dakota has decided to sleep with a loaded pistol near his nightstand after the deadly shootings targeting Minnesota state lawmakers and their families over the weekend.

Q&A with Jillian Peterson, professor of criminology and criminal justice at Hamline University and co-founder of The Violence Project

The shootings of two state lawmakers by a suspect with a “manifesto” of other political targets was an unprecedented act in Minnesota history. But it also comes at a divisive, volatile moment in U.S.