CREDIT: AP Photo/St. Louis Post-Dispatch, Cristina Fletes-Boutte, Pool Hours after revealing the grand jury had reached a decision and months after police officer Darren Wilson shot and killed 18-year-old Michael Brown, St. Louis County Prosecutor Robert McCulloch announced late Monday night that Wilson would not be indicted. As communities around the country and across the world reacted to the decision, legal experts told ThinkProgress how unusual — and in some cases troubling — the process was that brought about this outcome.