This is absolutely wonderful. Your writing style is a delight and it is so good to see OCs written so thoughtfully and realistically, however disposable!

I'm rushing off to the next parts now.

btw- - just a couple of points which threw me out a bit:
what is Cardiff PD? as in Cardiff PD's supposedly secure server?
and no-one ever makes only one mince pie. A dozen, at least, surely?