Russell and Ecklie attend a Black Sabbath concert in preparation for meeting with reporter John Merchiston, who wants to follow the #1 crime lab in the country around and see how they work. Russell, Greg Sanders, Julie Finlay, Morgan Brody, Nick Stokes, Jim Brass Victims: Megan Ramirez (deceased), Teresa Hill (alive), Chloe Rudolph (deceased), Greg Lee (deceased) The crime lab searches for a serial killer inspired by Dante's Inferno, and Brass's daughter may be one of the killer's next victims.