The inquest is hearing from the Detective Inspector from the Standards Department at the Met Police who says there is no evidence to back any of the claims.
The Professional Standards Detective tells the inquest jury that when the anonymous letter was sent for forensic examination, DNA was found on envelope. Billion to one chance DNA belonged to the unnamed defendant, jury is told.
More top news
Singer knocks Oasis from their 18-year hold on the top spot as her third album sells more than 800,000 copies in its first week of release
Teenage twin brothers were found guilty today of murdering a 'quiet, humble' father who dared to intervene in a robbery in north London.
The women were reportedly both students at City and Islington College campus in Holloway Road.