Depending on circumstance and personality expect to be interrogated and prepare to say the following:
"My name is and I refuse to answer any questions without my lawyer present. May I contact my lawyer?"
Repeat as necessary until your lawyer is present and then listen to him. Diarrhea of the mouth is your worst enemy in that situation.
Sorry - I should of read the title, I'm not a LEO so take it for what it's worth.
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