Attorneys For A Man Accused Of Killing A Gray Tennessee Couple And Their Unborn Child Are Seeking To Have Statements He Made To A Jail Inmate, Barred From Being Used In The Man’s Murder Trial In Washington County Criminal Court. 34 Year Old Derrick Sells Is Charged With Three Counts Of First Degree Murder And Felony Murder In The Deaths Of Robert And Kyanna Vaughn And Their Unborn Child. Sells Faces Other Charges As Well. He Remains Held On A Million Dollars Bond. He Will Be Back In Court On February 11th.