Kill Song, (Cardinal Sins) Heather Long & Blake Blessing ⭐⭐⭐⭐⭐ Amazon / Goodreads Blurb: Open Case File Memo Honor my father. There are four types of serial killers. Hedonistic. Power/control. Mission-oriented. Visionary. Not all serial killers are caught. At any given point, there could be as many as fifty serial killers active at a time. Fifty. I’m looking for one. He’s male, likely in his forties or fifties now. He’s been killing successfully for more than three decades. I suspect even longer, though our timeline is based only on the earliest victim we’ve identified with his signature mark. Seventy-nine kills that we are certain of. A year ago, the unsub’s methods changed. It was a subtle shift. Instead of one or two bodies a year, five have been dropped. Forensic evidence remains inconclusive, but in my gut, I know something’s changed. Either the unsub has a partner or he’s about to become a spree killer. It’s only a matter of time before someone puts the coin i