Floyd Feylinn Ferell's initials are FFF, and F is the sixth letter in the alphabet. Thus, his numerical name would be 666, the sign of the devil.
The quote "Abandon hope all ye who enter here", from Dante's Inferno, becomes a major theme later in Burn (2014).
One of the posters the young unsub has in his hospital room is a print of Francisco Goya's painting "Saturn Devouring One of His Children."
Michael Beach would later co-star with Shemar Moore in the movie The Bounce Back (2016), and then appear in a recurring role with him in the television show S.W.A.T. (2017).
Final body count: 13 known dead victims