"So the FBI found no evidence of tampering with the actual laptop. "
That would be an opinion, not a fact.
Prior to that redirect, Agent Jensen testified that she was not a cybersecurity expert and only had “a small basis of my understanding of how they work".
The Agent also previously stated that it was not her job to validate the laptop and that she didn't try to.
So, having not tried to validate the laptop, the statement "she did not find evidence of tampering" is meaningless.
Question: "Did you do an analysis? Did you find out whether any of the files had been tampered with, added to, or subtracted?"
Answer: "I did not. Right, I did not."
The details are in the link.
"SPECIAL AGENT ERIKA JENSEN DID NOT LOOK, AND DID NOT FIND, EVIDENCE OF TAMPERING WITH THE LAPTOP"
