Even if you don't, the first words out of your mouth should be to demand one. It invokes an entire series of legal rights that limits their ability to detain, question, and manipulate you.
I would say, not even if they don't put you under arrest. If you are worried about cost, you can demand that they hire you a lawyer, but you should demand a lawyer before you even say hi, otherwise there is just all sorts of ways they can intimidate you and trip you up that might work if you haven't asked for a lawyer, but won't if you have.
Even if you don't, the first words out of your mouth should be to demand one. It invokes an entire series of legal rights that limits their ability to detain, question, and manipulate you.
That's only if they have put you under arrest. If they haven't, don't even acknowledge they exist, let alone talk to them.
I would say, not even if they don't put you under arrest. If you are worried about cost, you can demand that they hire you a lawyer, but you should demand a lawyer before you even say hi, otherwise there is just all sorts of ways they can intimidate you and trip you up that might work if you haven't asked for a lawyer, but won't if you have.