On April 14, 2021, Bernard Madoff, who burned thousands of investors through an epic Ponzi scheme, died in prison while serving a 150-year prison sentence. Correspondent Jim Axelrod talks with journalist Jim Campbell, author of "Madoff Talks," who maintained a years-long correspondence with the disgraced investor and his family, to learn exactly how Madoff pulled off the largest financial fraud in Wall Street history. Air Date: Apr 25, 2021