Reported cases of SRA involve bizarre activities, some of which are impossible (like people flying), that makes the credibility of victims of child sexual abuse questionable. In cases where SRA is alleged to occur, Lanning describes common dynamics of the use of fear to control multiple young victims, the presence of multiple perpetrators and strange or ritualized behaviors, though allegations of crimes such as human sacrifice and cannibalism do not seem to be true. Lanning also suggests several reasons why adult victims may make allegations of SRA, including "pathological distortion, traumatic memory, normal childhood fears and fantasies, misperception, and confusion."