Right, because no states use a Grand Jury. Nice head shot.
Now answer the question.
Bzzzt. Wrong.
Some do, some don't.
Indeed, every state uses the grand jury for at least some purpose, with many using grand juries both to bring criminal charges and to investigate civil and/or criminal matters. The sections below explain how state grand juries compare to federal grand juries in terms of their structure and the activities they carry out.