Two struggling detectives befriend a young man working as a janitor in their police station. The young man, Juan Santos, has the ability to assimilate case facts, analyze and unravel mysteries, and help solve crimes. With Juan's help, they discover a deadly criminal group operating in their city. They also discover that the ruthless, criminal boss, Omar, has one of their own detectives on his payroll. They do all they can and more to catch Omar and his turncoat cop, and bring them to justice.

Juan Santos is a seventeen year old young man who works as a janitor on the night shift in a police station. Juan has investigative talents which were discovered by two detectives at the station. They convince Juan to work with them and together they successfully solve several murder cases. While investigating a serial murder case, the trio discover a deadly predator. They know who he is and what he is doing, but they can't prove anything. They do everything they can, stretching the limits of the law to stop this evil monster.

In this sequel to The Profiler’s Pastime, Juan is still worried about the threat to his family; Collins appears to know more about a murder than he’s telling his partners; Juan is forced to make a new friend who is beginning to disrupt his life; and a homicide at a nightclub is a lot more than it appears to be.

A story of change and passage that takes place on two continents, this thriller/romance features Mary Chang, a reluctant industrial spy for the People's Republic of China. Previously just a courier, Mary gets more deeply involved in espionage when she is assigned by her handler to "get close to" Eric Wing, a rising executive in a high tech company moving operations to China. Mary finds herself strongly attracted to Eric and wonders if a relationship based on lies can last. Things get complicated when a rogue government agency and an out of control handler threaten Mary's life. Who can Mary trust as she struggles to free herself from the past and begin a new life with Eric?