On: MythBusters Helped a Wrongly Convicted Man Prove H...

[Stevvo]

In the UK it's commonplace because it's a very effective tactic on victims and first time offenders.

Anyone who has been arrested before learns to answer either "no" or "no comment" to all questions, so deception doesn't come into play anymore.

[nickkell → Stevvo]

I'm not sure that's correct. As far as I'm aware they can't claim to have evidence implicating the suspect if they don't really have it.

[Stevvo → nickkell]

Only in the interview. Outside of the interview they do whatever they want.