Murder Ring (The DI Geraldine Steel series)

When an ordinary man named David Lester is found dead in a dark alley, Detective Inspector Geraldine Steel is called in to lead the investigation. The case quickly spirals out of control as evidence accumulates and multiple suspects emerge, especially when a second victim dies under highly suspicious and confusing circumstances. As Geraldine struggles to find the hidden thread tying these apparently disconnected homicides together, her personal life is upended by a shocking revelation regarding her biological mother.