English questions on book (cold blood), writing homework help

1. Consider the author’s choice to tell the details of the Clutter family murders after the fact rather than in real time. Speculate on what might have been some of the author’s reasons for making this narrative choice.

2. Readers of capotes book would have been familiar with the details of the tragedy before reading the book. That being the case, what would have been the effect of introducing the interactions between Herb clutter and Bob Johnson into the narrative? Speculate on the author’s purpose in doing so.

Book link – Book pdf – http://english4success.ru/upload/books/1836.pdf
( cold blood book )
Pages 30-60
May use online sources in own words and evidence.