Innocence Denied

Sergeant Brad Hester finds himself in the middle of a crime investigation which includes child abuse, child porn, and the slave market; when he is called to the scene where a police officer was killed. What if anything does the murder have to do with the porn cases that bombarding the police department. How will Brad figure who was the murderer, and how to investigate the child abuse cases? How does Brad's girlfriend, later his wife, figure into the investigation and what part does she play? Who and why killed the cop..