PAper on Madoff

Here is a series of 4 clips on Madoff and a couple of articles.  What role did accountants have in the Madoff scheme?

Madoff

Part 1

https://www.youtube.com/watch?v=-M3sHrVOddw&list=PLPkcG5owRrlWm2vwpYQ8lMVsYy5X1vqzj

Part 2

https://www.youtube.com/watch?v=QpjFIb0g6vE&list=PLPkcG5owRrlWm2vwpYQ8lMVsYy5X1vqzj

Part 3

https://www.youtube.com/watch?v=xVRysd1Ohvg&list=PLPkcG5owRrlWm2vwpYQ8lMVsYy5X1vqzj

Part 4

https://www.youtube.com/watch?v=sjNV66Yr0fk&list=PLPkcG5owRrlWm2vwpYQ8lMVsYy5X1vqzj

http://www.time.com/time/business/article/0,8599,1867092,00.html

http://www.forbes.com/sites/walterpavlo/2011/03

/21/madoff-accountant-now-auditing-to-save-his-a/