G Davis is Innocent

[Doc Keeper]

As a kid I used to see this spray-painted onto bridges and walls all around London (25 - 30 years ago). Sometimes I think the message was 'George Davis is Innocent'.
Can anyone tell me what it referred to?

[Catweazle]

George Davis was a London mini-cab driver who was convicted of shooting a policeman during a robbery and sent down for 17 years. A campaign to free him resulted in the Home Secretary, Roy Jenkins, reviewing the case in 1976 and eventually agreed that police evidence used to convict him was unsound; he was then released from prison.

Two years later Davis admitted to another robbery and was convicted again. He finished his sentence in 1984 but was convicted yet again in 1987 for another offence.

Sham 69 released a song in 1978 called "George Davis is Innocent".