: Is the message free from doctrinal error?
The Sacred Congregation for the Doctrine of the Faith evaluates claims based on: Apparition
: Percipients often report seeing a figure that appears to occupy three-dimensional space, sometimes indistinguishable from a living person. : Is the message free from doctrinal error
: Is there a high probability the event was miraculous? Apparition
: Are the witnesses mentally sound and truthful?