The police get their confession. But can we believe it?

We go inside the sting police used on David Lyttle and look at the tactics involved: the nurturing of friendship with "Nick"; the offers of money, cars, trips and status.

David is told again and again the catchwords of the gang - truth, honesty, loyalty.

This is an organisation that looks after its people, that doesn't judge them, and that controls crooked cops who can fix anything.

As long as you are honest with Mr Big.

But is this fair? And can we believe any confession that comes from the sting?

Go to this episode on rnz.co.nz for more details