The police announced that ballistic evidence confirmed the shooting as the sniper's 12th.
First, ballistic evidence confirmed that both couples were murdered with a rifle.
There is no description to link it to the pattern nor was any ballistic evidence collected, the police said.
It contains digital images of recovered pieces of ballistic evidence.
Still, he said, no ballistic evidence, like empty shell casings or fired bullets, was found at the scene.
The ballistic evidence gave an approximate trajectory giving a field of fire at the back of Johnson's head.
There was considerable ballistic evidence including classic gunshot wounds to the head in many cases.
There is no forensic, ballistic or fingerprint evidence, and no need.
Finally, the ballistic evidence connecting the weapons to the murders also played a significant role in the trial.
"There is still ballistic evidence to recover, and that's the focus of it, to determine whose round struck the victim."