Four Doubt (Silas McKay Suspense Series Book 4) by Luana Ehrlich

When Silas agrees to investigate the murder of a cybersecurity executive, he discovers there are two suspects, but as he chases down the leads on both, he suddenly discovers the real killer, someone who’s been hiding in plain sight, someone who plans to kill again. Only Silas stands in his way…but for how long?

Category: Mystery – Traditional Detectives