Sinful Man. Part 65

The woman activated the table and red light shone on the gun, illuminating several fingerprints. The prints caught the light like fiber optics and displayed the depths of their detail. She laid out a scan of the collected prints, digitally copied off the gun.

"These are the fingerprints he would have left when he loaded the first magazine. As you can see, his hand makes the right shape to pull back the slide and chamber a round. The reason why they're so clearly visible is because when he fired all his bullets up, he coated the gun in powder residue, a lot of it. That residue clung to the oils his hand left behind, just like the dusting powder we use to lift prints. Now, I assume he cleaned the gun before using it, probably to make sure it worked perfectly and wouldn't cause problems. That would explain the lack of prints older than these. However..."

She flipped a button on the table and a blue light shone up, this time revealing a different set of prints. "These prints