Participants in the Madoff investment scandal Participants in the Madoff investment scandal Investigators are looking for other participants in the Madoff investment scandal besides Bernard Madoff, despite Madoff's assertion that he alone was responsible for the large-scale Ponzi scheme. Harry Sussman, an attorney representing several clients of the firm, stated that "someone had to create the appearance that there were returns," and further suggested that there must have been a team buying and selling stocks, forging books, and filing reports. James Ratley, president of the Association of Certified Fraud Examiners said, "In order for him to have done this by himself, he would have had to
Matrix scheme Matrix scheme A matrix scheme (also known as a matrix sale or site, and as a hellevator, escavator or ladder scheme) is a business model involving the exchange of money for a certain product with a side bonus of being added to a waiting list for a product of greater value than the amount given. Matrix schemes are also sometimes considered similar to Ponzi or pyramid schemes. They have been called "unsustainable" by the United Kingdom's Office of Fair Trading. A matrix scheme is also an example of an 'exploding queue' in queueing theory. The first known matrix scheme is