How Michael Osinski helped build the bomb that blew up Wall Street. He did this by writing a program that helped package mortgages into securities. And then he branched off into sub-prime loans. It is an interesting tale of how one man contributed to the financial meltdown still playing out across the world. But he is a bit player, and it would have happened regardless of his input. It is interesting to see his take on things as they developed through the eighties and nineties up to today. Read the whole thing.