Been years since I cracked open that one, but the 'Christopher Killer' sticks in my mind mostly for the forensic detail. The protagonist is Cameryn Mahoney, a seventeen-year-old working as an assistant to her dad, the county coroner. She's the heart of it, this smart, determined girl trying to prove herself in a grim field while navigating high school drama. The other key figure is her father, Patrick Mahoney, who's both her mentor and a source of conflict. The killer himself is more of a shadowy presence, a serial murderer targeting people named Christopher, which gives the book its creepy hook. There's also Justin, Cameryn's love interest, who brings in the typical YA tension. Honestly, the procedural elements outshone the characters for me—the way Alane Ferguson wrote the autopsy scenes felt unnervingly precise.
I recall the dynamic with the local sheriff, named Kyle, adding some procedural friction. The victim's family members, like the grieving parents, serve more as emotional triggers in the plot than deep characters. It's a solid enough forensic mystery for its time, though the character roster doesn't venture far from the expected archetypes of the genre.