The more psychologically interesting — and better-supported — answer involves belonging, identity, and recognition.

Bourdin had spent his life feeling unseen and uncared for.

The social systems he inserted himself into — the schools, the shelters, the families — provided something he craved: attention, care, and a specific identity that people related to in a consistent way.

When he was a missing child, he was embraced, protected, attended to.

He had a name, a history, a family context.

He was someone.