Handle Trace

The suspect was careful with his data and careless with himself. He reused one handle everywhere, the way over-documenters do: a single label, indexed forever.

Barry circled it once on a printout and wrote nothing else. Clipped behind it, three screenshots he pulled before he went dark. They trace the handle to the one thing the suspect could not bring himself to encrypt: his archive of a pet he loved more than operational security.

The forum profile, carrying the reused handle:

The photo album it links to:

And the caption that hints at what he named it after:

Follow the trail. The expected answer is that pet's name, lowercase.