Using the source extracts below about surveillance and free expression in the UK, analyse the arguments made about the balance between security and civil liberties. Source A: 'Senior security officials in 2023 argued that increased data retention is essential to prevent organised terrorism and serious crime, because modern communications rely on encrypted and online services.' Source B: 'A 2024 human rights report by a UK charity claimed that bulk retention of communications data without individual suspicion poses a grave threat to privacy and chills legitimate investigative journalism and whistleblowing.' Using these extracts, analyse how each source presents the trade-off between security and civil liberties in the UK context.
(Total for Question 9 is 12 marks)