Shawn Case, 27, faces second-degree murder charges after he confessed to killing 32-year-old Brittany Webb during sex.
According to WKRN, Knoxville police found Webb Friday morning at the Ridgebrook Apartments after receiving secondhand information that a woman was deceased inside one of the units.
The arrest warrant states the pair were using drugs early Friday morning when Case began hitting her during intercourse.
Police say she died of sharp force and blunt force trauma.
Case gave a full confession to investigators.
He is currently being held on a $1,000,000 bond.