An Abingdon Virginia Woman Accused In A 29 Year Old Murder In Florida Has A Trial Date Set. Shelia Warren Is Accused Of Dressing In A Clown Outfit And Killing Her Husband’s, Then Wife, Marlene Warren At A Home In Palm Beach County In March 1990. Her Trial Date Is Set For January 31st 2020. Shelia Warren And Her Husband Once Owned Purple Cow In Kingsport Before Selling Several Years Ago.