Showing Taboo by Casey Hill

Forensic investigator Reilly Steel, California-born and bred, imagined Dublin to be a far cry from bustling San Francisco, but a brutal serial killer soon puts paid to that. When a young man and woman are found dead in an apartment, the evidence suggests a suicide pact. But Reilly's sure that something's seriously amiss, and as more bodies are discovered, Reilly realises she is facing a truly twisted murderer, one who seeks to upset society's norms in the most sickening way imaginable...