If he was going to think up the complicated scenario that he did to cover the murder you think he would have got the details right

All that planning and then to get the story about the rabbits wrong?
I just don't think he thought it mattered . He never thought he would be a suspect . He never thought to sit down and think about everything in detail . If he was innocent , despite what people have said he would have been in shock. Not like others writing everything down on cards.
It was not until Sept that he found out everything he did on that night would be scrutinised .
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