Knock Knock by Anders Roslund (Random House)

Detective Ewert Grens finds brutally executed family, only 5-year old child is still alive. Seventeen years later, same MO murders, with identical wounds and identical ammunition and associated with notorious arms dealers appear through the city and Ewert must find the child, now with new identity, before is too late and she would be killed too.

And there is also Piet Hoffmann, unusual character with dark past, whom someone tries to blackmail. Threats against the Hoffmann family, which in turn were supposed to create and opening for an international arms dealer, are real. It might be coincidence or are the cases connected?

Brilliant Scandi thriller, full of action, twists and turns. Cinematic till the end.

4/5