Participants in the Madoff investment scandal group of hedge funds owned by Massachusetts Mutual Life Insurance Co, as well as, its parent companies in December 2010, seeking more than $2 billion and alleging that company executives ignored "obvious warning signs" that Madoff was running a fraud. Picard alleged that Tremont failed to do any meaningful review of Madoff's operations or purported investment results, blindly allowing Rye to turn over half its $6 billion in client assets to Madoff and losing half that money when the scheme finally collapsed. The payment of $1 billion to the Madoff truste, provided by Massachusetts Mutual Life as a loan 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