Troubled Blood by Robert Galbraith
"They’re drawn to the church, women like dat. Nearly every congregation’s got a couple. Outward observance, inward poison. They say the words, you know ‘Father forgive me, for I have sinned,’ but the Dorothys of this world, they don’t believe they can sin, not really." Troubled Blood by Robert Galbraith Strike and Robin are partners at the Detective Agency, and business is booming. They've hired subcontractors to help sort through all the work, and they need the help because they're personal lives are becoming increasingly more complicated. Robin's tied up in a toxic divorce, while Strike's father and ex-girlfriend try to suck the life out of him... And then they get contacted about a 40 year old murder of a doctor, suspected victim of a serial killer, whose body was never recovered. This was the best one yet. The author skipped the usual tedious character introductions and just went directly into storytelling. The creep factor was high and thick with suspense...