JPMorgan Chase (JPM) is raising another round of questions about a lawyer who works for the New York attorney general, which has sued the company over the mortgage conduct of Bear Stearns.

The nation's biggest bank by assets charged recently that a member of Attorney General Eric Schneiderman's office who represented Ambac in a lawsuit the insurer filed against JPMorgan in February 2011 is supervising Schneiderman's lawsuit against Bear Stearns.

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