Mr Gumpert told the jury one of the workers lived in a horsebox with 10 others and the only washing facilities were a cold water tap in the yard and a shared toilet.

BBC: Beds, Herts & Bucks

The BBC understands that the Lawrence team are meeting next week to assess where the case now stands - and what the Yard as a whole can learn from this remarkable cold case turnaround.

BBC: Analysis: Where now for Lawrence investigation?

The night was so cold and dark that the snow made squeaking noises as it settled in drifts around the big, square yard.

NEWYORKER: The Reptile Garden