Pigeons TCPI 4
by RB Pahl
Pigeons is the fourth book in the series.
Hired to find out why a young woman committed suicide, Tracy discovers not only did the victim not commit suicide, she was a victim of a stealthy serial killer. Finding the commonality of the victims and the identity of the killer becomes a not-too-friendly competition between Tracy and her on again, off again boyfriend, Sgt Greg Phillips, SFPD Homicide.