The big picture: At least 339 mass shootings have occurred in the U.S. so far this year, per the Gun Violence Archive. It defines a mass shooting as a situation in which at least four people are shot and either injured or killed, not including the shooter.
The big picture: At least 339 mass shootings have occurred in the U.S. so far this year, per the Gun Violence Archive. It defines a mass shooting as a situation in which at least four people are shot and either injured or killed, not including the shooter.