Warrant for that woman losing the head reported in the paper (6)

I believe the answer is:

writer

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'warrant for that woman losing the head reported in the paper' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

This is the entire clue.

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(Other definitions for writer that I've seen before include "Author; correspondent" , "See 4" , "Quiller" , "Novelist" , "Memorandum could one produce?" .)

I've seen this clue in the Irish Times and the Irish Times (Crosaire).

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