To be sure, there's such a thing called 'custodial interrogation' which is, essentially, a situation where a person's freedoms are restrained, but not fully und

To be sure, there's such a thing called 'custodial interrogation' which is, essentially, a situation where a person's freedoms are restrained, but not fully under arrest. http://en.wikipedia.org/wiki/Custodial_interrogation http://en.wikipedia.org/wiki/Custodial_interrogation I've previously heard the suggested language of 'Am I being detained or am I free to go?', which seems good enough to make the situation a lot less ambiguous.