Here's an MMM training video on how to join Bitcointalk and promote MMM! Just in case you were wondering, ha ha!

https://www.youtube.com/watch?v=6LtQ-jviaeg

Some one more competent in blockchain forensics than I could start to try to verify some of the withdrawals pictured in the videos. Someone with time and cash could try to pitch into MMM with small amounts and follow the money trail in the block chain. I think a lot could be learned about the scheme from this sort of research.