Mourners bring flowers as they pay tribute at a memorial for the victims of the shooting at Marjory Stoneman Douglas High School on Sunday, Feb. 25, 2018, in Parkland, Fla.
Mourners bring flowers as they pay tribute at a memorial for the victims of the shooting at Marjory Stoneman Douglas High School on Sunday, Feb. 25, 2018, in Parkland, Fla. David Santiago AP
Mourners bring flowers as they pay tribute at a memorial for the victims of the shooting at Marjory Stoneman Douglas High School on Sunday, Feb. 25, 2018, in Parkland, Fla. David Santiago AP

Why there’s so much inconsistency in school shooting data

September 27, 2018 10:56 AM