Shooter fire One shot, Red.
Immediately shot twice in the back of the head, from a similar weapon, from a similar range, in a similar direction, Purple You can clearly see the radial impact bruises from the shots that killed him.
Next 5 shots are the DS snipers being taken out by the same team that offed the shooter., inside the 2 story building, which is why the are muffled.
Last shot is a pistol, negligent discharge.
The bullet in the photo, is the DS sniper, yellow