A criminal justice professor and her teen daughter allegedly slain by a horrorcore rapper were in counseling over the girl's obsession with the macabre music, and a former colleague says the mother took the girl to concerts in an attempt to keep an eye on her.

James Hodgson had worked closely with professor Debra Kelley at Longwood University in Farmville and knew her daughter Emma Niederbrock most of her life. They were found dead Friday along with Emma's father Mark Niederbrock, who was separated from Kelley, and Emma's friend Melanie Wells.

Police have charged Emma's boyfriend, 20-year-old Richard "Sammy" McCroskey III, with first-degree murder in Mark Niederbrock's death. McCroskey, who rapped under the name "Syko Sam," is also suspected of killing the others.

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