ST. LOUIS (AP) — A Missouri grand jury has been hearing evidence for months as it weighs whether to indict Ferguson police officer Darren Wilson in the Aug. 9 fatal shooting of Michael Brown, which was followed by sometimes violent protests. Some answers to common questions about the grand jury: ___ Q: What is the grand jury deciding? A: The grand jury is considering whether there is enough evidence to charge Wilson with a crime and, if so, what that charge should be. ___ Q: How is the grand jury different from other juries? A: The grand jury will determine only whether probable cause exists to indict Wilson, not whether he is guilty.