Taking the Fall for a Fool
Eventually, he grew emotional and yelled, "I just made an error, that's all!
"There's always a margin of error. This doesn't prove that I tampered with the report. You can't just accuse me of falsifying the report!"
All of a sudden, David remembered something. He excitedly pulled out his phone and started scrolling through it.
After looking through his gallery, he pulled out the photo of the finger diagram and said, "Nick reminded me of something. There's always a margin of error, but the prints on the drug vial definitely belong to Natalie. This is concrete proof that no one touched the vial but her."