Millions of pounds are made each year by traffickers who sell trophy animals on the black market. Big cats, hippos teeth and tortoises are among record numbers confiscated by Border Agency officials at Heathrow over the past year.
London Zoo has now been called upon to give some of them a new home and a second chance.
David Wood reports:
More top news
The mother of a former altar boy who tried to blow up a train insisted he was 'a big softie' who didn't want to hurt anyone.
Its current five year licence comes to an end next Tuesday.
Extra armed police will guard major sporting events in London this weekend after the military was drafted in to protect key locations.