C'mon. All her money came from the investors. http://thereformedbroker.com/2009/03/03/ruth-madoff-wants-to-keep-the-secret-stash-house/
If she knew about Madoff's Ponzi scheme, which is pretty certain, this won't matter. She'll be sued for damages and lose. BTW Madoff is pleading guilty to all charges without a plea deal, facing 150 years. Sounds like Madoff didn't like the idea of having to testify against his wife and all employees.