Were Farmville Murder Victims Killed While Sleeping?
RICHMOND - A source with knowledge of the Farmville murders investigation has divulged new details about how the killings took place.

There is a chance that at least some of the female victims may have been bludgeoned in their sleep, the source said, although only the final autopsy report will be able to confirm that.

The source also said that the lone male victim, Mark Niederbrock, was attacked in a different way than the three female victims. And the source said it does not appear that any of the female victims were sexually assaulted.

Regarding the crime scene, the source said that police did not find any overt evidence that the slayings were ritualistic in nature. CBS 6 had previously confirmed that a former Virginia Beach police detective who is also an expert on occult violence had been contacted by investigators.

The bodies of Niederbrock, his estranged wife Debra Kelly, their 16-year-old daughter Emma and her 18-year-old friend Melanie Wells were found inside Kelly's Farmville home on Friday, September 18.

Police have charged 20-year-old Richard "Sam" McCroskey with the murder of Mark Niederbrock, and expect to charge him with three additional counts of murder.

McCroskey, who lives in California and is an aspiring "horrorcore" rapper, was arrested at Richmond International Airport the day after the bodies were discovered.

Investigators tell CBS 6 that they have not determined a motive in the case, and they say that they have yet to interview McCroskey.