[Stierlitz]

> .. the UK High Court has ruled that the security and intelligence services can no longer rely on ‘general warrants’ ..

обманывать ;]

[skinkestek]

Looking up обманывать it seems to mean "lie to" or deceive, but I don't really get the context:

is it a standing Russian joke or something?

[nsajko]

Indeed, it means "to deceive". Judging by the user's other comments, they are trying to express vague and incoherent but confident distrust of "the system".