Scenes from a tragedy: Quadruple shooting leaves Canton neighborhood in shock, mourning

Police responded to shooting at 529 Smith Avenue NW in Canton on Thursday afternoon.Tara Molina
According to police officials, Peterson bought the 9mm gun he used in the shooting in a legal purchase the very same day, March 30. Authorities say approximately 14 shots were fired.Megan Hickey
According to police, Peterson entered the home through an unlocked door. Once inside, he shot and killed a dog that was in the kitchen. He then followed Calderon through the home, firing shots at her.Megan Hickey