(MT. VERNON, IL) — A 24 year old Mt Vernon man has been arrested in a homicide case. Dewayne A Moore was arrested on charges of First Degree Murder in connection with the death of Cortez Pickett which occurred on August 30, 2015. Moore was already in the Jefferson County Justice Center at the time of his arrest and will continue to be held pending a bond setting for the new charge. Moore is considered innocent until proven guilty in a court of law.