Tarlo wrote a critical book , called Mother of God , about her experience as one of his disciples .
Some of Cohen 's former followers , including his mother , Luna Tarlo , have viewed him as a manipulative spiritual teacher .
Luna Tarlo wrote a critical book , called Mother of God , about mother 's experience as one of Cohen 's disciples .
Some of Cohen 's former followers , including his mother , Luna Tarlo , have viewed him as a manipulative spiritual teacher .