Victim Without A Face by Stefan Ahnhem (Fabian Risk #1)

A KILLER WITH A MESSAGE.
Two men are dead. Both had been bullies at school. A single clue has been found at the scene: a class photo from 1982, with two faces neatly crossed out.

A DETECTIVE WHO CAN’T LET GO.
Fabian Risk is the lead detective on the case. He's also one of the children in the photograph. He thought he’d left his schooldays behind. Now his classmates are dying for the sins of their childhood...

CAN YOU EVER HIDE FROM JUSTICE?