Boarddork, I understand that you have information regarding this topic, true? Yes long ago.
From the FDIC; WMB securitized $2 Trillion in RMBS of which $500 Billion was sold to government agencies like F&F.
The securitizer is required to hold 15% minimum of their offerings produced. WMI is the parent, so WMI held that Certificate Investment. WMIIC. -> ‘a’ trust.