How long before criminal prosecution?

From Wikipedia (and many other places)

Quote:

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Blackmail may also be considered a form of extortion.[1] Although the two are generally synonymous, extortion is the taking of personal property by threat of future harm.[9] Blackmail is the use of threats to prevent another from engaging in a lawful occupation and writing libelous letters or letters that provoke a breach of the peace, as well as use of intimidation for purposes of collecting an unpaid debt.[

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Maybe a judge will explain it to him better when the time is right.