Assessing what may have finally sent Mark Madoff over the edge, with CNBC's Scott Cohn.
epa02490180 A file picture taken on 10 March 2009 shows disgraced financier Bernard Madoff leaving federal court following a hearing in New York, New York, USA. Mark Madoff, the son of convicted ponzi scheme mastermind Bernie Madoff, was found dead of an apparent suicide in New York, on 11 December
*** EXCLUSIVE ACCESS *** (MINIMUM FEE OF GBP 250 PER IMAGE OR LOCAL EQUIVALENT - THIS IMAGE SITS OUTSIDE OF ANY SUBSCRIPTION AGREEMENT): Financier Bernard Madoff with his sons Mark Madoff and Andrew Madoff
epa02490181 Representatives from the New York City Medical Examiner's office remove the body of Mark Madoff, the son of convicted ponzi scheme mastermind Bernie Madoff, from the building where was found dead of an apparent suicide in New York, New York, USA, on 11 December 2010. EPA/JUSTIN LANE
A medical examiner arrives at the the apartment building where Mark Madoff lived on Saturday, Dec. 11, 2010 in New York. One of Bernard Madoff's sons was found dead Saturday, Dec. 11, 2010 of an apparent suicide, according to a law enforcement official. Mark Madoff, 46, was found hanged in his apart