Death Smell

Read Death Smell Storyline:

Teresa Macklin, who accepted Mack as a nickname to fit in as
part of the mostly male police department, stifles an overpowering smell of
death each time she visits a murder scene. Her latest case becomes a serial
killing with the murderer leaving calling cards with every victim.

When the killer sends a taunting email she wonders if even she
is one of his targets.