Jack Ballentine became a police officer in 1978 and quickly rose to the top of his field as the US most successful undercover operative. Assuming the identity of a biker and hitman, he developed a network of sources that included vigilantes, prostitutes, strippers, and junkies, all who introduced him to clients. Over the span of 15 years, the author went a perfect 24 for 24 in getting convictions on murder conspiracy charges.