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Counterfeit prescription drugs are being distributed in every American city, killing thousands. Behind this pandemic is a cartel run by the mob. When the FBI sets up a Pharmaceutical Drug Squad of Special Agents to close the cartel’s operations down, the members are immediately in danger as the antagonist, Marco Vennuti, takes measures to protect the cartel from the deepening FBI probe.

Special Agent Mark Matthews is assigned to the squad and is teamed up with Special Agent Wendy Farrell who becomes his new love interest.

The danger to Mark is amplified when, Mel Tarkington, responsible for the death of Mark’s former lover, Susan Harrigan, comes out of hiding bent on killing Mark.

Fatal Dose has numerous sub-plots that will take you down dark and sinister paths. This is Mark Matthews at his best.


K. J. JanssenKen Janssen’s debut novel centers on Mark Matthews, a private investigator turned FBI agent. In BLOOD MONEY, Mark topples an association funneling money to terrorists. Published November, 2011.

HAMPTON MANOR is about three generations of the Hampton family and their interactions with five townspeople in Old Brooking, Connecticut. Published April, 2012.

FATAL DOSE, the second Mark Matthews Mystery exposes a drug mafia distributing counterfeit prescription drugs. Published March, 2013.

THE PATH TAKEN, exposes the secret battle for the consciousness of men. It is being reviewed by several publishers.

He is a member of ITW and ASCAP.

To learn more about Ken Janssen, please visit his website.