Re: double jeopordy?

Nevada criminal procedure law provides:

NRS 174.085 Proceedings not constituting acquittal; effect of acquittal on merits; proceedings constituting bar to another prosecution; retrial after discharge of jury; effect of voluntary dismissal.

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5. The prosecuting attorney, in a case that he has initiated, may voluntarily dismiss a complaint:

(a) Before a preliminary hearing if the crime with which the defendant is charged is a felony or gross misdemeanor; or

(b) Before trial if the crime with which the defendant is charged is a misdemeanor,

without prejudice to the right to file another complaint, unless the State of Nevada has previously filed a complaint against the defendant which was dismissed at the request of the prosecuting attorney. After the dismissal, the court shall order the defendant released from custody or, if he is released on bail, exonerate the obligors and release any bail.

6. If a prosecuting attorney files a subsequent complaint after a complaint concerning the same matter has been filed and dismissed against the defendant:

(a) The case must be assigned to the same judge to whom the initial complaint was assigned; and

(b) A court shall not issue a warrant for the arrest of a defendant who was released from custody pursuant to subsection 5 or require a defendant whose bail has been exonerated pursuant to subsection 5 to give bail unless the defendant does not appear in court in response to a properly issued summons in connection with the complaint.

7. The prosecuting attorney, in a case that he has initiated, may voluntarily dismiss an indictment or information before the actual arrest or incarceration of the defendant without prejudice to the right to bring another indictment or information. After the arrest or incarceration of the defendant, the prosecuting attorney may voluntarily dismiss an indictment or information without prejudice to the right to bring another indictment or information only upon good cause shown to the court and upon written findings and a court order to that effect.

So, under Subsection 5(b) of this statute, a prosecutor may dismiss a misdemeanor charge, before trial, without prejudice to refiling once. Your attorney can explain further.