The Fifth Angel — Tim Green

Jack Ruskin believed in the letter of the law. Until a criminal shattered his life and walked out of court a free man. Now, in his big, empty suburban house, Jack must act on his grief, anger, and outrage. A former prosecutor, Jack is sure he can get away with murder. And he knows he can find the right people to kill...

A thousand miles away, FBI agent Amanda Lee pursues a case some people don't want solved: the methodical murders of sex offenders across the country. But as she relentlessly searches for the killer, danger begins stalking her own family. In a violent twist of tare and a desperate race against time, the hunter and the hunted will come together - to destroy each other, save each other, or make their own choices between the ultimate right and wrong...