A game for two people and one phone.
One device. Answer, hand it over, don't look. About ten minutes.
The charge
Every answer you can give is marked with what it costs you — the dots on the right. An answer nobody can confirm costs more. An answer with a witness in it costs less. Anything the detective is hot on costs more each time you lean on it.
Agree your story now, out loud. You won't get to talk again once it starts.
The verdict