Greene County Sheriff Jim Arnott held a news conference Thursday morning to update the public on his office's progress in the Russell and Rebecca Porter murder investigation. The Willard couple was reported missing in April of 2011. Their bodies were recovered three months later in rural Taney County. Charges have yet to be filed in the case. A reward of up to $20,000 is being offered for information leading the the arrest and conviction of individuals involved in the homicides. You can contact the Greene County Sheriff's Office at (417) 868-4040.