Discovering when a felony charge has been dropped requires knowing how the criminal justice system works. Police and detectives are responsible for the initial investigation, arrest and presentment of the case to the prosecution. The prosecutor may decide to refuse the case, similar to dropping a case, or accepting the charge and presenting it to a grand jury. The grand jury may indict or "no bill" the charge. A no bill, again, is like dropping the case. If the grand jury indicts, then the only way a felony can be dropped is if the prosecution makes a motion to dismiss.

Call the district clerk's office of the county where the offense occurred. Provide the last name of the defendant and ask if there has been a no bill or motion to dismiss in the file.

If the district clerk has no information, call the district attorney offices for the county where the offense occurred and where the victim resides. Provide the last name of the defendant and ask if a charge has been accepted or refused.
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If the district attorney has no information, then call the local police department and request to speak with the detective assigned to the case.