Police have arrested two men and a woman in connection to a 53-year-old man's murder that occurred in Clarksville earlier this month. Jimmy Boyer's body was discovered on the morning of May 18 on West Fork Drive. Thirty-eight-year-old Coray Knight, 65-year-old Frederick Persinger and 45-year-old Kelly Hufford were all taken into police custody on Wednesday morning.A motive for Boyer's murder has not been released. Authorities said the investigation is ongoing and they are continuing to search for a fourth male who was seen with Knight on the day of the homicide. Anyone with any additional information on the incident is urged to call police at 931-648-0656, Ext. 5447.