The rewritten loan software that let him borrow billions without anyone checking
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The rewritten loan software that let him borrow billions without anyone checking
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Somewhere inside a General Motors financing office on Long Island, employees had a nickname for the days when their own systems seemed to bend around a single customer's paperwork. They called them Mac Attacks. What kind of borrower gets an entire lending institution to rewrite its own code just to keep up with him?
In this episode, we trace how one Long Island car dealer built an eleven-year borrowing operation inside General Motors' own financing arm, asking how an institution designed to verify collateral came to never check it at all.
Person: John McNamara
Location: Port Jefferson, Long Island, New York
Date: 1980 to 1990
Case: roughly six billion dollars in GMAC loans against non-existent conversion vans
Status: scheme collapsed in 1990 when GM auditors found no matching vehicle records; McNamara pleaded down to five years in a 1992 Brooklyn federal trial
- McNamara, born in 1940, took over as President of Sales at his father's Pontiac-Buick dealership in Port Jefferson after an earlier Florida business venture ended in bankruptcy
- The scheme used shell entities including Kay Industries Inc. (Indiana), McNamara Pontiac-Buick, and Cydonia Trading CTD (Cyprus), all controlled by McNamara, to cycle fictitious van purchases through GMAC loans
- Annual borrowing rose from $250 million in 1985 to $715 million in 1989 to $1.8 billion in 1990
- GMAC extended McNamara's first-payment window from the standard 30 days to 60 days and modified its loan-processing software to handle his volume
- At peak volume, Kay Industries would have needed to convert 200 to 400 vans a day, exceeding the output of the entire U.S. van conversion industry
- The unpaid balance at collapse was $436 million; GMAC's internal review concluded the case revealed no "systemic problems" with its core business functions
- Assistant U.S. Attorney Loretta Lynch noted McNamara's personal life was largely unchanged before and after his conviction
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