sometimes. See my other answer on this identical subject.
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Here is but one of many examples.
Curt Harrington Patent & Tax Law Attorney Certified Tax Specialist by the California Board of Legal Specialization PATENTAX.COM This communication is general information and not legal advice, and does not create an attorney-client relationship. This communication should not be relied upon as any type of legal advice. Please note that no attorney-client relationship exists between the sender and the recipient of this message in the absence of either (1) a signed fee contract and (2) remission of an agreed-upon retainer. Absent such an agreement and retainer, I am not engaged by you as an attorney, nor is any other member of my law firm.
Yes, but why is this question of interest?
Of course, every answer or response is based on the information provided in the question asked and requires a much more complete context than is available in this public forum. This answer/response should NOT be relied upon to make any legal decisions. Seek the advice of an experienced Federal and/or state criminal defense attorney in your jurisdiction BEFORE you say or do anything.
Having served as an intern in the US Attorney's Office when I was in law school, I can speak somewhat intelligently to this issue: it depends. Each US Attorney's Office sets its own priorities. If you think you are likely to be prosecuted then you should begin the search for an attorney you are comfortable with. Remember that you generally get what you pay for.
This answer is not legal advice and does not create an attorney-client relationship.