Officer Kenneth Ryker #02123 - Officer Ryker has served with the Litchfield Police Department since 2002. Officer Ryker is a 1997 graduate of Clay City High School, a 2002 graduate of Southern Illinois University of Carbondale with a Bachelors Degree in Political Science, and a 2002 graduate of the University of Police Training Institute. Officer Ryker is a Certified Juvenile Officer, Breath Alcohol Analysis Instrument Operator and Clandestine Methamphetamine Lab Dismantler.