Chasing Darkness (Electronic book text)

"A tough special agent with the Department of Justice, and a dedicated single mother to her orphaned nephews, Sam Chase is unbreakable. Until two women are discovered strangled, both from the shadows of Sams past. For Sam, the most unnerving detail is the eucalyptus branch tucked behind the victims ears, the signature of a notorious serial murderer already convicted and executed for his crimes. To Lieutenant Nick Thomas, the only link to the copycat killings is Sam herself. And when she becomes the target of threats; each one more menacing than the last his feelings for her just might jeopardize the case. But to understand the killers twisted motive is to explore Sams past, and a crime shes spent a lifetime trying to bury"