I'm afraid forensics TV shows have "ruined" TOD for me. If I see anything more precise than "that calendar day", even with a fully justified reason, it annoys me, because (1) I know that a lot of the "science" shown on TV is flaky at best, or made-up at worst, but (2) I am not scientifically literate to know which stuff is embellished and which is real. So I assume it's all hand-wavy crap and the writers are playing hard and fast with facts.
This is a shame, because there are real advances that you could describe as a writer, but I'm so jaded from decades of TV that I'm neither impressed nor convinced by them.*
What still works for me, every time, is where the forensics provide a window that the detectives then narrow down through other proof. So where forensics provides evidence, but not answers.
* I should note for the record that I thoroughly enjoy/ed many series of CSI+friends, Silent Witness, Waking The Dead, etc. all of which feature varying degrees of shonky forensics.