New York accounting executive who held small stake in Madoff's firm pleads guilty

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A senior partner at a New York accounting firm who was accused of aiding financier Bernard Madoff (MAY'-dawf) in his epic fraud has pleaded guilty to conspiracy.

The accounting firm executive, Paul Konigsberg, also pleaded guilty to two counts of falsifying books and records Tuesday in a cooperation deal with the government.

Prosecutors say he is the only person outside the Madoff family to have held an ownership interest in Madoff's private investment business.

The 78-year-old Konigsberg tells the court he was not aware of Madoff's "horrific and evil Ponzi scheme."

Madoff is serving a 150-year prison sentence after admitting his fraud in 2009.