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John Madinger, author of “Lethal Doses – The Story Behind the Godfather of Fentanyl”

John Madinger, author of “Lethal Doses – The Story Behind the Godfather of Fentanyl”

WildBlue Press is proud to announce the upcoming release of LETHAL DOSES: The story behind “The Godfather of Fentanyl” by award-winning author and former undercover agent John Madinger. This gripping biography explores the life of George Erik Marquardt, the secret chemist whose creations left an indelible mark on the American drug landscape. “It’s a cross between ‘Catch Me If You Can’ and ‘Breaking Bad,'” says Madinger.

The book is also the basis for the successful documentary series about FOX NATION entitled “THE GODFATHER OF FENTANYL”. The book has already achieved the status of “New Release No. 1” on Amazon in the categories of criminology and drug law.

The story begins on a cold afternoon in February 1991, when a synthetic narcotic known as “Tango & Cash” hit the streets of New York City, sparking a wave of overdoses and a new era of the drug epidemic. LETHAL DOSES traces the rise of fentanyl, a drug now responsible for nearly 200 deaths in the United States every day, and the man behind its proliferation. A high school dropout and chemistry prodigy, Marquardt used his talents to create a range of illegal substances, from LSD to methamphetamine and even the life-saving AZT for AIDS patients. His turn to fentanyl, however, marked a deadly chapter in his career.


John Madinger has dedicated his career to fighting the drug war and has served as a deputy sheriff, drug enforcement agent, and special agent with the U.S. Treasury Department. His previous works include the autobiography Going Under: Kidnapping, Murder, and a Life Undercover.

For more information, visit the author’s website: https://johnmadinger.com/

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