networkn:

It's been nearly two weeks and they still haven't found her body. They have arrested someone. If he's guilty he knows where she is. If he is convicted, the significant cost of the search should be worked out in terms of years of imprisonment and that should be added to the consecutive years of his sentence. I get not wanting to incriminate yourself but the balance of that is if you committed the crime you should pay the full price for your crimes.

That's fine, assuming that only guilty people get convicted. But if he's wrongly convicted, you're imprisoning him further for not providing information he doesn't actually have.