When Navy SEAL Mark MacKenzie returns home to Long Island, NY, after being gravely injured in Afghanistan, he's thrust into a new battle-one he never anticipated. In the wake of his parents' suspicious deaths in a car accident, Mark finds himself the sole guardian of his fifteen-year-old sister. Determined to uncover the truth, he begins piecing together the evidence surrounding their deaths.

With help from family and childhood friends, Mark's relentless investigation reveals a tangled web of murder, greed, and betrayal. But the closer he gets to the truth, the more dangerous his pursuit becomes. As Mark unravels the shocking connections, he finds himself in a deadly confrontation with powerful New York crime families who will do anything to protect their secrets.

Greenport, C.I. is a gripping thriller that blends emotional depth with intense action, as one man battles to protect his family, uncover the truth, and take down those responsible for destroying his world.

Perfect for fans of military thrillers, crime drama, and stories of unyielding determination, this novel delivers an unforgettable journey of vengeance, loyalty, and justice.