Oliver Campbell: Man jailed in 1991 for murder of Hackney shopkeeper has conviction quashed - Evening Standard
- Oliver Campbell: Man jailed in 1991 for murder of Hackney shopkeeper has conviction quashed Evening Standard
- Oliver Campbell's murder conviction overturned after 33 years bbc.co.uk
- New evidence led to Oliver Campbell referral after earlier bid refused – CCRC Evening Standard
- Court clears man with severe learning difficulties of 1990 London murder The Guardian
- Oliver Campbell: Brain-damaged man who was jailed for life over murder has conviction quashed Sky News