Devil worshippers slaughtered four people in ... beheaded a teen and decorated a ‘satanic altar’ with a man's skull, say police. The suspects, described as "psychopathic serial killers ...

WINSLOW, ARK. (KATV) — A human skull found at Devil's Den in northwest Arkansas has now been identified. Authorities say the skull belonged to Rodney Letterman from Bartlesville, Oklahoma.