Author and researcher Larry Hancock returns to Solving JFK for his second Recap and Rebuttals episode, this time helping us pressure-test our five-part series on the Soviet Union as a potential culprit in the assassination of President John F. Kennedy. We dig into Kennedy and Khrushchev's evolving relationship through Vienna, Berlin, and the tank standoff at Checkpoint Charlie; the brink of nuclear war drama of the Cuban Missile Crisis; the Cold War spy games surrounding Popov's Mole and Oswald's manipulated CIA file; JFK's late move toward peace and the limits of former CIA Director James Woolsey's theory that Khrushchev ordered the hit; and the newly released 350-page Russian document handed to Congresswoman Anna Paulina-Luna — including the bombshell that the "Dear Mr. Hunt" letter was a KGB forgery and the message Bobby and Jackie Kennedy sent to Khrushchev in December 1963 saying they believed the assassination was the result of a large political conspiracy.

Larry brings his document-grounded perspective to the question that runs through the whole series: did the Soviet Union have a hand in killing John F. Kennedy?

In the final installment of our Soviet Union series, we examine a cache of newly released Russian documents handed to Congresswoman Anna Paulina Luna by the Russian Ambassador in October 2025. These 350 pages, prepared under the Russian Foreign Intelligence Service, offer a rare behind-the-curtain look at Soviet decision-making around Lee Harvey Oswald's defection, the Warren Commission, and the aftermath of the assassination. We weigh why Moscow released the files now and what they reveal about Khrushchev's private suspicion of a conspiracy.

Along the way, we unpack some genuine bombshells: a candid 1964 exchange between Warren Commissioner John McCloy and Soviet UN representative Nikolai Fedorenko, a William Walton memo carrying a message from Bobby and Jackie Kennedy to Khrushchev calling the assassination "the result of a large political conspiracy," and the definitive solution to the long-debated "Dear Mr. Hunt" letter, now proven to be a KGB forgery.

We wrap up the Cold War context by looking at Kennedy's push for peace with Khrushchev in the final months of his life, including the American University speech, the Limited Test Ban Treaty, and a secret Khrushchev letter proposing further cooperation that the State Department never even showed to the President. Then we stress-test former CIA Director James Woolsey's claim in "Operation Dragon" that Oswald killed Kennedy on Khrushchev's direct orders after meeting with Soviet assassination chief Valeriy Kostikov in Mexico City. The problem? FBI Director Hoover told LBJ the day after the assassination that the man at the Soviet Embassy was not Oswald. A suspicious letter to the Soviets contained information Oswald couldn't have known. And LBJ himself clearly didn't buy the Soviet conspiracy angle, but he used the threat of one to strong-arm Earl Warren into chairing the Commission and steering it toward the lone gunman conclusion.

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In Part 3 of our Soviet Union series, we dig into the Cold War spy games swirling around Lee Harvey Oswald and ask whether the KGB had a hand in JFK's assassination. The trail starts with Pyotr Popov, a Soviet military intelligence colonel who became a CIA defector-in-place in 1952 — and whose tip about a KGB mole hidden deep inside the CIA launched one of the most consequential mole hunts in Agency history. We trace how Popov was burned, how counterintelligence chief James Angleton became obsessed with finding "Popov's Mole," and how Oswald's strangely routed CIA file suggests he may have been used as "flypaper" by the Agency to smoke the mole out.

From there, we tackle the riddle of Yuri Nosenko, the KGB officer who defected just months after Dallas and conveniently insisted the Soviets had zero interest in Oswald. Was he a genuine defector — or a Soviet plant sent to clear Moscow of any role in Kennedy's murder? We walk through Pete Bagley's case against Nosenko, the bombshell 1994 admissions from former KGB chief Sergey Kondrashev, new evidence of real Soviet intelligence interest in Oswald, and Professor John Newman's startling theory about who Popov's Mole actually was — a man hiding in plain sight inside the CIA the entire time.

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In this bonus episode, Solving JFK reviews and critiques PBS Nova's JFK Cold Case documentary in response to a question from a listener. We'll be back with Part 3 on the Soviet Union series next week.

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The Cuban Missile Crisis was the closest the United States and the Soviet Union ever came to nuclear war—a thirteen-day period where decisions made in real time carried unimaginable consequences. In this episode, we break down how the crisis developed, why Khrushchev chose to place nuclear missiles in Cuba, and how American intelligence and leadership responded as the situation escalated. Inside the Kennedy administration, there was no consensus. Military leaders urged immediate force, while Kennedy weighed options that might avoid triggering a nuclear exchange.

As the pressure intensified, miscommunications, near-misses, and rogue actions on both sides pushed the world closer to disaster than most people realized at the time. This episode examines the internal tensions within the U.S. government, the role of backchannel diplomacy, and the narrow margin by which catastrophe was avoided. It’s a look at leadership under extreme stress—and what this moment reveals about power, perception, and the risks that defined the Cold War.

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In Part 1 of this new series, Solving JFK zooms out to examine the Cold War backdrop that shaped the world leading up to President Kennedy’s assassination. From the so-called “missile gap” and early U.S.–Soviet tensions to the failed Bay of Pigs invasion, this episode explores the fragile and often volatile relationship between Kennedy and Soviet Premier Nikita Khrushchev. While often portrayed as either a Cold War hawk or dove, Kennedy emerges here as something more complex—navigating intense pressure from both sides while attempting to avoid catastrophic conflict.

The episode also dives into the high-stakes geopolitical flashpoints of 1961, including Berlin, Vienna, and the creation of a secret backchannel between the White House and the Kremlin through Soviet agent Georgi Bolshakov. As tensions escalate to the brink of nuclear confrontation at Checkpoint Charlie, listeners begin to see how close the world came to disaster—and how critical Kennedy’s decision-making may have been in preventing it. This foundational episode sets the stage for examining the Soviet angle in the JFK assassination, including Lee Harvey Oswald’s connections to the USSR and the mysterious events in Mexico City.

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In this bonus episode of Solving JFK, Matt Crumpton speaks with John Kirby, director, and Libby Handros, producer, of the ongoing documentary film franchise Four Died Trying. The project explores the lives—and assassinations—of President John F. Kennedy, Malcolm X, Dr. Martin Luther King Jr., and Senator Robert F. Kennedy, asking what connects these four pivotal murders of the 1960s and how they reshaped American political history. Through more than 130 interviews with family members, colleagues, eyewitnesses, and others connected to these events, the series revisits these tragedies with fresh research and a wide range of perspectives.

John and Libby discuss the origins of the project, the decision to structure the films as a series of stand-alone chapters, and the themes introduced in the newly released Prologue. We also talk about the challenges of researching and presenting such historically complex and debated events, and what they hope audiences take away from revisiting this turbulent era of American history.

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