The most sophisticated aspect of AIPAC's political operation is not what it does with its money when a vote is coming. It is what it does with its money between votes — specifically, how it uses the intervening election cycle to surgically remove from Congress anyone who voted wrong the last time around.

This is not metaphor. In 2024, AIPAC's super PAC, the United Democracy Project, executed the most expensive targeted elimination of a sitting congressman in the history of American primary elections, and followed it up two months later with a near-identical operation against a sitting congresswoman. Combined, the two operations cost $23.5 million and succeeded in removing both targets from Congress.

The message to every remaining member of Congress was received without ambiguity: vote against Israel policy, and we will spend whatever it takes to end your career.

Jamaal Bowman: The $14.5 Million Lesson

Rep. Jamaal Bowman represented New York's 16th congressional district — a predominantly Democratic district in Westchester County and the Bronx. He won his seat in 2020 by defeating longtime incumbent Eliot Engel in a primary, running as a progressive insurgent aligned with the Squad. He was a former middle school principal. He taught in the Bronx for two decades. His constituents sent him back to Washington in 2022.

Bowman voted against the Iron Dome supplemental funding in 2021. He called for a ceasefire after the October 7, 2023 Hamas attack. He was one of the most vocal congressional critics of unconditional U.S. weapons transfers to Israel. His AIPAC donation total: effectively zero.

AIPAC decided to make an example of him.

Through the United Democracy Project, AIPAC spent $14.5 million against Bowman in his June 2024 Democratic primary — the largest outside expenditure by a single group on a House primary race in United States history. His opponent was George Latimer, the Westchester County Executive, who ran a conventional center-left campaign. Latimer's entire campaign raised approximately $8.5 million. AIPAC alone spent $6 million more than Latimer's entire campaign apparatus.

The ads AIPAC ran against Bowman were notable for what they did not say. They were not primarily about Israel. They were about crime, local development issues, Bowman's voting record on unrelated legislation — whatever focus-group testing had determined was most effective in alienating his constituents. The connection to Israel was the motivation. The weapon was built from local grievance, custom-manufactured for Westchester County.

Bowman lost by 17 percentage points. For a sitting incumbent in a safe district, it was a rout. AIPAC immediately claimed the victory as a demonstration of its power, and commentators across Washington noted that the signal had been sent successfully.

"AIPAC and their allies can eliminate nearly any adversary if they throw $20 million at a primary election." — The Guardian, June 2024

Cori Bush: The $9 Million Confirmation

If Bowman's defeat was the lesson, Cori Bush's defeat was the confirmation that it was not a one-time operation.

Rep. Cori Bush represented Missouri's 1st congressional district, centered on St. Louis. She was a nurse, a pastor, a Black Lives Matter activist who slept on the steps of the Capitol to extend eviction protections during the COVID pandemic. She was also one of the most outspoken critics of U.S. weapons transfers to Israel in the entire Congress, calling for an arms embargo and accusing the U.S. government of complicity in what she described as genocide.

Her AIPAC donation total: zero. She had been targeted by pro-Israel groups in previous cycles and survived.

In August 2024, AIPAC spent over $9 million against Bush through the UDP. Her opponent was Wesley Bell, the St. Louis County prosecutor, whose campaign raised approximately $3 million. As with Bowman, the AIPAC-funded ads against Bush focused on local issues and character attacks, not Israel policy. As with Bowman, the underlying motivation was entirely about her position on U.S. weapons transfers.

Bush lost by 6 percentage points. She later faced unrelated federal corruption charges (which she has contested), but AIPAC's money had already done its work before those charges materialized. She was gone.

The Chilling Effect on Everyone Else

The $23.5 million that eliminated Bowman and Bush was not primarily an investment in those two races. It was an investment in the behavior of the 434 other members of Congress who watched those races unfold.

Every member who saw the Bowman operation understood the calculation: if AIPAC was willing to spend $14.5 million to destroy a congressman in a safe Democratic district over his Israel votes, the same could happen anywhere, to anyone. The cost of dissent was made explicit. The price of conscience was a $14.5 million primary campaign.

This is what political scientists call a "chilling effect," and it operates even on members who are never targeted. The threat does not have to be executed against every member for it to change every member's behavior. The examples of Bowman and Bush function as standing deterrents — case studies that every member's political staff analyzes when Israel legislation comes up for a vote.

AIPAC did not need to spend $14.5 million against every critic. It needed to spend it once, visibly, and make sure everyone in the institution saw what happened. That is not lobbying in any conventional sense. That is institutional intimidation executed through campaign finance law.

The Members Who Survived — And What They Changed

The Squad members who survived the 2024 cycle — Ilhan Omar, Rashida Tlaib, Alexandria Ocasio-Cortez, Ayanna Pressley — did so for structural reasons: their districts are extremely safe, their fundraising is strong enough to compete with outside money, and their voter bases are specifically attuned to their Israel positions. They represent the narrow exception, not the rule.

More instructive are the members who moderated after watching the Bowman and Bush operations. Several Democratic members who had previously called for conditionality on Israel aid — or who had considered voting against the $26 billion supplemental — ultimately voted yes. Their offices declined to explain the change in position on the record. Their vote tallies tell the story.

This is how the chilling effect translates into legislative outcomes: not through direct threats, but through the internalized calculus of political survival that shapes every member's decision-making. AIPAC does not need to call anyone. The Bowman and Bush operations speak for themselves.

Tomorrow in Part 4: The Embassy Deal — how Sheldon Adelson used a $20 million donation to purchase the single most consequential foreign policy reversal of the Trump administration, and why Miriam Adelson's $100 million to the 2024 Trump campaign is already paying dividends.