unfortunately i have had lots of experience lately with having to sort out financial abuse/jiggery-pokery.
kris hasn't said what has caused a block to be put on the account in the first place, (indeed, she may not even know, and the bank are probably refusing to discuss it with her) but if the bank has put it there because they suspect some sort of underhand goings-on, or they are suspicious and then the account holder can't verify himself either by ID or by security questions, it should start ringing alarm bells. I am by no means suggesting there is anything underhand going on at all, because on the face of it, of course there isn't