forget defamation
go thro' the insurance companies appeals procedure
Do you know the gurl ? - for your own use - I doan wanna know - what was the claim ? Do you know there was damage? DId any one keep records of the claim? ( you could/she could claim a copy under the data protection act for both)
is she vulnerable ( yes ) did she have someone present taking notes - I know the answer to that
Can she remember what was said.
These are all the things for the appeal
Allegations of fraud to the authorities
there is a bit about that on this thread
The short answer is that libel is an absolute non starter
witness immunity rule:
http://www.brettwilson.co.uk/blog/false-complaints-to-the-police-the-witness-immunity-rule/
Mr ex-plod writing to the daughter would have known all this of course.
The family can do the appeal thing themselves - it is just sort of from filling again - keep copies !
You are third hand - I would keep a suitable ( far) third hand distance [ speaking from experience]