The Roy Cohn Playbook, from McCarthyism to Trump

September 17, 2026

AI Summary

5 min read

Roy Cohn was just 26 years old when he prosecuted Julius and Ethel Rosenberg, sending them to the electric chair. A few years later, as chief counsel to Senator Joe McCarthy’s subcommittee, he interrogated government employees about their sexual orientation and destroyed hundreds of careers. By the 1970s, he was representing John Gotti and other Mafia bosses while cruising gay bars he himself owned. And in the 1980s, he was dying of AIDS—which he denied having—just weeks after being disbarred. Biographer Kai Bird, who co-wrote American Prometheus (the basis for Oppenheimer), argues in his new book American Scoundrel that Cohn’s story is not just a chronicle of one corrupt lawyer but a lesson in the fragility of American democracy. Cohn’s tactics—deny everything, delay everything, and counter-sue—became the operating system for his most famous client, Donald Trump.

The Rules That Became Trump’s Rules

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What you'll learn

1 (00:40) **The Roy Cohn Playbook: Rules That Became Trump's Rules** - Kai Bird introduces the core framework: the unethical rules Cohn used throughout his life that Donald Trump later adopted.
2 (02:37) **How Cohn Got Away With It: The Acquittals** - Bird details the courtroom luck and manipulation that kept Cohn out of prison despite overwhelming evidence.
3 (05:05) **Trump's Debt to Cohn: Financial Tactics and Judicial Influence** - The conversation connects Cohn's financial and legal playbook directly to Trump's business practices.
4 (07:36) **What Cohn Saw in Trump** - Bird explains the origin of the mentor-mentee relationship and Cohn's early prediction of Trump's potential.
5 (09:51) **Cohn's Role in the McCarthy Era: The Brains of the Operation** - Bird details how Cohn became the driving force behind Senator Joe McCarthy's anti-communist witch hunt.
6 (12:45) **Cohn's Interrogation Techniques and Brutal Hypocrisy** - The segment reveals Cohn's methods for destroying lives and his shocking double life as a closeted gay man.
7 (15:11) **The Security Risk Argument and Trump's Knowledge of Cohn's Sexuality** - Bird explains the rationale Cohn used to target gay people and confirms Trump knew Cohn was gay.

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Show Notes

In a biography of Roy Cohn, Kai Bird looks at how the lawyer taught President Trump to deny, delay, attack, sue and countersue, never admit defeat, side step paying bills and avoid a paper trail. His book, with co-author Susan Goldmark, is American Scoundrel. He spoke with Terry Gross.

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