The Myth of Satanic Ritual Abuse
Also see
WikiAnswers - What is Satanic Ritual Abuse it says

espite allegations appearing in the United States, Holland, Sweden, New Zealand and Australia, no material evidence has been found to corroborate allegations of organized cult-based abuse that practices human sacrifice and cannibalism."
"Two investigations were carried out to assess the evidence for Satanic Ritual Abuse. In the United States, evidence was reported but was based on a
flawed methodology with an
overly liberal definition of a substantiated case. In the United Kingdom,
a government report produced no evidence of Satanic Ritual Abuse, but several examples of false satanists faking rituals to frighten their victims."
"With both children and adults, no corroborating evidence has been found for anything except pseudosatanism in which the satanic and ritual aspects were
secondary to and used as a cover for sexual abuse."
"Official investigations produced
no evidence of conspiracies or the slaughter of thousands of babies and children in bloody sacrifices"