Originally Posted by HeadInTheSand
The various networks will not only have copies of all messages sent over the last up to 7 years from that persons contract/number, but also a record of all the various method of delivery, reply, delivered or read pings.
No, they won't.[*]
You make colossal assumptions to arrive at your "conclusions", and while *some* of the scenarios you describe _may_ match the reality of what occurred, most are fantasy and supposition, requiring an highly arbitrary set of circumstances to pertain.
[*] They may in the future, under various UK Govt and EU proposals, but that is another matter...