I remember,

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In 1976 Davis was released from prison under royal prerogative from a 20-year sentence for robbery and wounding with intent to resist arrest.
In September 1977, Davis let his supporters down when he was caught red-handed robbing a branch of the Bank of Cyprus in Holloway, north London. He pleaded guilty to his involvement in an armed robbery and was sentenced to 15 years, reduced to 11 on appeal.......