And this is (close to) the crux of the issue. How can we prevent malicious actors from abusing our numerous and diverse surveillance technologies (law enforceme

And this is (close to) the crux of the issue. How can we prevent malicious actors from abusing our numerous and diverse surveillance technologies (law enforcement; ad-tech; pretty much every 'smart' device) whilst also allowing authorised, regulated, controlled, legitimate uses. (And is it worth it?). What processes and assurances are enough? (Formal methods, I'm looking at you).