Yes, "Chasing Madoff" is a documentary film. Released in 2010, it chronicles the efforts of financial analyst Harry Markopolos and his team as they attempt to expose Bernie Madoff's Ponzi scheme. The film provides insights into the investigation and highlights the challenges faced by whistleblowers in the financial industry. It combines interviews, archival footage, and dramatic reenactments to tell the story of Madoff's fraudulent activities and the consequences they had on countless investors.

The "Madoff Rule" refers to a financial principle that emerged from the infamous Ponzi scheme orchestrated by Bernie Madoff. It highlights the importance of transparency and due diligence in investment practices. Investors are encouraged to scrutinize the legitimacy of investment returns and the operations of financial firms. The rule serves as a cautionary reminder to avoid blindly trusting returns that appear too good to be true, ultimately advocating for greater regulatory oversight and investor education to prevent similar frauds in the future.

In the documentary "Chasing Madoff," it is noted that Ruth Madoff, Bernie Madoff's wife, was allowed to keep approximately $2.5 million in assets, including their home in Manhattan and a beach house in Montauk, New York. This decision was part of the legal proceedings following Bernie Madoff's massive Ponzi scheme, which defrauded investors of billions. Ruth's retained assets were scrutinized but ultimately considered to be exempt from the forfeiture that affected much of the Madoff family's wealth.

The movie "Chasing Madoff" is a documentary that focuses on the investigation into Bernie Madoff's Ponzi scheme, which defrauded thousands of investors. It is based on the book "No One Would Listen" by Harry Markopolos, who, along with his team, sought to expose Madoff's fraudulent activities long before they were publicly revealed. The film delves into the challenges faced by Markopolos and highlights the systemic failures that allowed Madoff's scheme to persist for decades.