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NOT GUILTY: Why Luigi Mangione Will Walk: The Real Story Behind a Political Assassination and its Cover-Up

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257 pages, Paperback

Published January 25, 2026

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Displaying 1 of 1 review
Profile Image for Danielle Hartshorn.
1 review
May 10, 2026
“Dead Men Don’t Testify”

“But Brian Thompson was worth more dead to some people than alive. And that list of people doesn’t begin with Luigi Mangione.”

On the morning of December 4, 2024, the Chief Executive Officer (CEO) of United Health Care (UHC) was shot dead by an unknown individual in Manhattan, New York. As he lay dying a mere few inches from the Hilton Hotel at 1335 Avenue of the Americas, where he was scheduled to speak at UHC’s annual investor conference, the masked assassin sped off on an e-bike.

Bullet casings found at the crime scene were inscribed with the words Deny, Defend, and Depose—a blatant reference to shady insurance tactics used to deny claims.

Americans from every social class began referring to the gunman as The Adjuster, a modern-day Robinhood who sent a chilling message to the parasitic American health insurance industry.

The same industry whose practices are responsible for nearly 70,000 annual deaths.

The mainstream media (MSM), politicians, and pundits were baffled at the amount of support The Adjuster had.

On December 9, 2024, the world was introduced to Luigi Mangione: a 27-year-old Ivy League graduate from an affluent family. Nothing about him even faintly suggested he could be an assassin, and yet, he was charged with Thompson’s murder.

Between a perp-walk straight out of Hollywood and then-New York City Mayor Eric Adams appearing in a documentary that strongly implicated Mangione, the MSM has tainted the jury pool with a narrative that both supporters and non-supporters ate up:

Luigi Mangione assassinated Brian Thompson in an attempt to start a revolution.

But as author Robert J. Cain, who claims not to be supportive of the #DenyDefendDepose movement, points out in explicit detail in this book, there are numerous reasons to question Mangione’s guilt.

Cain explains why, regardless of Judge Gregory Carro’s ultimate ruling, no evidence found on Mangione’s person on that cold, rainy day in Altoona, Pennsylvania, should be considered while determining his fate. He argues that 11 minutes of missing bodycam footage is enough to raise reasonable doubt.

Police misconduct aside, there’s also the rampant misconduct within United Health Group (UHG), the parent corporation of UHC, to consider.

Between a lawsuit over insider trading, which Thompson was involved in, and UHG putting others out of business by dominating the healthcare industry, it’s worth questioning why a young man with everything going for him would throw it all away.

Above all else, though, Cain makes his strongest argument by referencing the American Constitution and one uncomfortable truth.

Upholding the Fourth Amendment, one of the pillars of American liberty, means that sometimes guilty people go free.

Despite being a bit repetitive at times, Not Guilty: Why Luigi Mangione Will Walk - The Real Story Behind A Political Assassination and Its Cover-Up, is an important read for anyone who believes that:

1. The government cannot be trusted to police itself, and
2. “When every piece tells exactly the same story, it’s worth asking whether someone wrote it.”
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