ST. LOUIS – On Nov. 13, the American Civil Liberties Union of Missouri sent a letter to law enforcement agencies and elected officials in St. Louis County and the state of Missouri to offer guidance for protecting free speech rights once the grand jury announces its decision regarding Officer Darren Wilson. The letter was sent to: Governor Jay Nixon, Attorney General Chris Koster, Col. Ronald Replogle, St. Louis County Executive Charlie Dooley, St. Louis County Councilman Steve Stenger, St. Louis County Police Chief Jon Belmar, St. Louis City Mayor Francis Slay, Metropolitan Police Department of St. Louis Col. Samuel Dotson, Ferguson Mayor James Knowles and Ferguson Police Chief Thomas Jackson.