All opinion. What is being discussed is not an exact science. It is not quite the same as half life of an isotope. You could go out and find ten more experts whose opinions would be quite different.
Two have already testified to almost the same thing...IIRC, there are only 9 experts in this field.
The prosecution originally hired Faulkner but the defense called him.
How many people do you suppose are going to get out of jail now because the bug guys are not credible?