can prove that gun was not the one used to kill Cates. When a bullet is fired from a gun, the gun leaves microscopic marks on the bullet and cartridge case. Forensic examiners can compare these marks to determine if the bullets came from the same gun. It won’t match the bullets pulled from Cates body.
Anna said something about test results show the mud and clay and water match the river beneath the bridge.
It’s just all so stupid. If there are no fingerprints—that gun could’ve belonged to ANYONE! There should’ve been a murder mystery.
