So why bring the evidence if they weren't presenting it as a match? They had TSJ's fucking DNA. They could match the "inconclusive" DNA to him. There was no reason to bring that evidence if they weren't trying to say it was his. If they weren't saying it was his, then it makes her look like even more of a slut.
If TSJ's DNA were in there, it wouldn't have been inconclusive. They would have found it. That's how DNA works.
Uh, what?
There wasn't enough DNA for a conclusive match to anyone - it stated as much clearly in the lab report, even explicitly saying they didn't test it further because there wasn't enough to match it to anyone. But the partial DNA still belonged to someone, it didn't just appear out of nowhere - THAT'S how DNA works. It's not like they found enough DNA to get a full match on SOMEONE, and it just wasn't TSJ - that's what they found on the OTHER swabs.
The prosecution wanted to introduce it and try to tie it to TSJ in court - the idea being, just because the other swabs precluded him, this one didn't. Again, that's their job.
And it's the defense's job to say no, there's no connection to TSJ, and it should get tossed.