Paddy didn’t notify anyone right away. The name he’d unearthed — Reza Karimi — was too clean. No prior infractions. No online presence beyond a long-dead student repository. It was a ghost of a digital identity.

But ghosts left fingerprints.

*

Bianca walked into the gym where O’Grady was practising that evening. The Irishman had rung her in the afternoon, to tell her he would not be coming in for lunch, as was his normal routine.

“Got a fight coming up, ...