> but he had no picture of himself, ever. Now... granted - there may actually be some visual reason - some disfigurement, for example - that the person is self-conscious of (hadn't originally thought of it).

> However - we had no social media profile at all for this person. No pics of the person, alone or with friends.

People who are fleeing domestic abuse or controlling parents may have very locked down social media profiles, and may even be using different names for different parts of their life.