One thing to bear in mind is that any technical lawful intercept capability is also a technical intercept capability for a hostile intelligence agency. Note tha

One thing to bear in mind is that any technical lawful intercept capability is also a technical intercept capability for a hostile intelligence agency. Note that "hostile" and "foreign" are not always the same thing. With this in mind, I think making the tools resistant to abuse is a highly desirable design goal, up there with making the detection of abuse very easy.