Huge swath of GCHQ mass surveillance is illegal, says top lawyer

In a 32-page opinion, the leading public law barrister Jemima Stratford QC raises a series of concerns about the legality and proportionality of GCHQ's work, and the lack of safeguards for protecting privacy.

It makes clear the Regulation of Investigatory Powers Act 2000 (Ripa), the British law used to sanction much of GCHQ's activity, has been left behind by advances in technology...