So you need is a financial institution to give you unrestricted access to their records. And it can't be just any financial institution, it has to be the one us

So you need is a financial institution to give you unrestricted access to their records. And it can't be just any financial institution, it has to be the one used by the person you are targeting. And you don't know what financial institution that is because you are still trying to identify who the address belongs to. So really all you need is unrestricted access to many financial institutions' records.