Kill Song - Heather Long

Open Case File\n Memo\n Honor my father.\n There are four types of serial killers.\n Hedonistic.\n Power/control.\n Mission-oriented.\n Visionary.\n Not all serial killers are caught. At any given point, there could be as many as fifty serial killers active at a time.\n Fifty.\n I’m looking for one.\n 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.\n Seventy-nine kills that we are certain of.\n 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