Literally, he claims he has no cash of his own because he gave it to his mummy in the form of a Trust. Who in their right mind gives their assets away to an elderly person unless, of course, he expects to become the beneficiary once she passes away. He must think the UK judiciary are bigger clowns than he is. If he coughs up he may spend less time in jail, he must believe he is immortal - the man's an idiot.
http://www.bbc.co.uk/news/uk-19744783
http://www.bbc.co.uk/news/uk-17560821