A Man Accused Of Killing A Washington County Tennessee Couple And Their Unborn Child Has A Trial Date Set For Next Year. 34 Year Old Derrick Sells Is Charged With Three Counts Of First Degree Murder, Three Counts Of Felony Murder, Unlawful Possession Of A Weapon, Especially Aggravated Robbery And Two Counts Of Aggravated Child Abuse/Neglect. He’s Accused In The Deaths Of Robert Vaughn, Kyanna Vaughn And Her Unborn Baby. Sells Will Go To Trial December 9th 2019.