Rebecca Mairone scarcely deserves a mention in the annals of finance, except for this: She’s the only executive of a major U.S. mortgage lender found liable for her part in the 2008 financial crisis.

Mairone was chief operating officer for a division of Countrywide Financial Corp., the California giant that came to symbolize the excesses of the subprime era. While top executives there and elsewhere walked away, Mairone, now 48, was targeted in a civil case by federal prosecutors. In October 2013, a Manhattan jury found her liable for misrepresenting the quality of mortgages her company sold to Fannie Mae and Freddie Mac. U.S. District Judge Jed Rakoff called her testimony “implausible” and slapped her with a $1 million fine. Bloggers said she helped destroy the U.S. economy and should be jailed or worse.

Two years later, Mairone is heading back to court in an attempt to overturn that ruling…