Police 'smear campaign' into Lawrence family

Peter Francis, the former undercover police officer who accused Scotland Yard of being involved in a smear campaign against the family of the murdered black teenager Stephen Lawrence, has been denied immunity from prosecution. Read more: http://www.channel4.com/news/lawrence... Sign up for Snowmail, your daily preview of what is on Channel 4 News, sent straight to your inbox, here: http://mailing.channel4.com/public/sn... Missed Channel 4 News? Catch up on the last seven days here: http://www.channel4.com/news/catch-up/ Channel 4 News weather forecast, with Liam Dutton: http://www.channel4.com/weather/ All the latest blog posts from the Channel 4 News on-screen talent: http://blogs.channel4.com/news/