Charles Bronson, "Britain's most violent prisoner" has spent almost half a century behind bars. Now almost 70, Bronson has begged the justice secretary for a free pardon. In a voice note sent to Sky News, we hear why he thinks he should be freed. On the Sky News Daily with Shingi Mararike, our crime correspondent Martin Brunt explores why Bronson is so notorious, and how he got that voice note from him. Producer: Soila Apparicio Digital producer: Casey Magloire Editor: Philly Beaumont