How did bernie madoff get caught?

Bernie Madoff was caught following the financial crisis of 2008 when clients began to withdraw their investments en masse. Unable to meet these redemption requests, Madoff confessed to his sons that his investment firm was a Ponzi scheme. They reported him to authorities, leading to his arrest on December 11, 2008. Subsequent investigations revealed the scale of his fraudulent activities, which totaled around $65 billion.