Review hears about 'problems in the DNA analysis'
A lawyer for the police said he was worried about "sensationalising" the inquest with a live demonstration of the bag and offers a video clip by an expert as alternative.
Police reveal "problems in the DNA analysis" of mixed profile found on Williams' hand - found the contamination was from scientist at scene.
The error was spotted by a scientist who's evidence helped convict the killers of Stephen Lawrence in January. The coroner wants to hear from her.
More top news
Lucrezia's programme blog
A family's call for answers, the Met Police's Commander faces 'Plebgate' pressure and the last day of the Premier League.
Saturday forecast
The south is enjoying the best of today's weather, mostly dry with some bright spells.
Tree planted in memory to Olympic architect
Architect John Hopkins- The man who designed the Olympic Park- will have a large oak tree planted in his honour.