How to Find Weeds in a Mortgage Pool

Triaxx's technology came to light only last month, in court documents filed in connection with the bankruptcy of Residential Capital. ResCap was the mortgage lending unit of GMAC, now known as Ally Financial. As an investor in mortgage securities, Triaxx gained access to a lot of information about loans that were pooled, including when those loans were made, where the properties are and how big the mortgage was, relative to the property's value. After Triaxx fed such details into its system, dubious loans popped out. ''