Mass shootings are most commonly defined as shootings where more than four victims are shot, excluding the shooter, at a specific place and time, according to the Gun Violence Archive (GVA).
As of Nov. 18, the United States has had 372 mass shootings in 2019, averaging more than one per day and resulting in over a thousand deaths, according to GVA.
According to a recent poll by PBS, 72% of Americans support red flag laws, 61% support banning high capacity magazines and 57% support banning semi automatic weapons.
On Nov. 14, congress introduced a bill mandating background checks for all gun purchases, but it lost in the senate, according to CNN.
The most recent school shooting as of Nov. 18 took place on Nov. 14, in which five students at Saugus High School in Santa Clara were shot and two were killed, according to CNN.