DCSU Cornish and DSU Teller in “Unfinished Business”

So, he's back.

From outer space.

You do know the man is nitroglycerin?

With respect, sir, a comprehensive investigation under your edict cleared him of any wrongdoing.

Not least because the only other witness is in a coma, measuring three on the Glasgow scale.

And Mia Dalton's in school today, and not in the ground.

Rose, if you bet too heavily on Luther, then you stand or fall with him and with you goes this unit, and my credibility as its architect. Haven't you worked too hard for too long to take that big a risk on such a wild card?

I don't consider him a risk.

Then what is he?

An investment.

And if Henry Madsen wakes up, gives his account of what happened that night? Will Luther drag us all down? Let's hope not.