By dubious means, he has put a lot of money in a trust, purportedly to be for his family. He has saved millions in tax by doing this and yet more millions in inheritance tax when he passes, if he has not already (because I really do not know)
He cannot save all of this money in tax and then plunder the trust to do what he wants with it.
Like Gaby Kaiser, he cannot have it both ways
Here is the post about this lady and her firm