So rolling 12 months of everyone's private communication. In the country next door (UK) it's 1 month of everyone's private communication since Theresa May pass

So rolling 12 months of everyone's private communication. In the country next door (UK) it's 1 month of everyone's private communication since Theresa May passed the 'snooper's charter' back in 2016. Do these countries not have laws against opening other people's postal mail and wiretapping?