The Investigators Books in Order

Reporter Samantha suspects murder when her mentor dies during an adventure holiday. Her investigation collides with undercover officer Zack's search for answers, and growing attraction complicates their efforts as the killer begins targeting him.

Kidnapped reporter Rebecca is offered information about her supposedly dead father in exchange for helping Antonio Vega. In Cuba, his quest for revenge and his sister's safety draws them into corruption, deception, and unexpected attraction.

A series of deaths in Joshua Salvador's emergency department suggests an attack directed at the doctor himself. Television investigator Rachel Wright suspects a public-health crisis, bringing them together as they search for a more personal explanation.