The stunning numbers behind US' gun problem

On Sunday, two people were killed and 21 others wounded after three masked suspects opened fire at a crowd outside a concert venue in southern Florida, according to police. Three days later, six people were injured in a mass shooting in Springfield, Ohio. During the previous weekend, there had been at least 12 mass shootings across the country, according to CNN reporting and analysis of data from Gun Violence Archive. CNN defines a mass shooting as an incident with four