Dingoes at my boyfriend part 2

An interesting twist in the Murdoch trial. Turns out, the alleged "handcuffs" used to allegedly restrain Joanne Less were 'contaminated' with the DNA of a forensic scientist.

Actually, they weren't handcuffs, they were cable ties.

Anyway, Dr Peter Thatcher's DNA has been found on the ties, "despite protocols being in place to prevent it happening."

'Course, if this was a movie, we would now be looking sideways at Dr Peter Thatcher, wondering if he did it. From the movie script:

LAWYER: Contaminated with his DNA you say?
EXPERT WITNESS: Yes.
LAWYER: And how did that happen exactly?
EXPERT WITNESS: I don't know.
LAWYER: You don't know. Did you not have protocols in place to prevent such an unfortunate occurrence?
EXPERT WITNESS: Yes, we did.
LAWYER: Then I ask again: how did it happen?
EXPERT WITNESS: It's impossible for it to have happened. Unless...
LAWYER: Unless what?
EXPERT WITNESS: Unless he was also present at the scene of the crime.
LAWYER: You're telling me that the only way for the ties to be contaminated with Dr Thatcher's DNA was for Thatcher himself to have been present when the crime was committed?
EXPERT WITNESS: That's a theory, yes.
LAWYER: A theory? Or the only way, in fact, for it to have happened?
EXPERT WITNESS (sotto voice): The only way.

Hmmm... Earlier, the jury in the case heard that blood found on Lees' t-shirt was "150 million billion times more likely to be Bradley Murdoch's than any other local white male's."

But who was giving that evidence, hmmm? In the film, of course, it was Dr Peter Thatcher who gave the damning blood evidence. Dum-Dum-DUUUUUUUMMMM.

Thus ends this episode of Dragnet.