It is the sum of the events and evidence that convinces. The calls were not chaotic there was a slow casual account with too much information given, Communication between the accused then hangup. Hey what are you doing? click. Bias may prevent you from being curious , at least I'm honest about mine.
True.
However, are you saying I'm not about mine? To be clear, my bias is that this is a typical, chaotic conversation.
Unless Knox was recorded as answering the question, "What are you doing?" with,
"Please help me I can't get Meredith's door closed with my lamp in the way...." my bias remains the correct one.
You are "reading in" to this situation your confirmation bias. I am looking at it as part of the whole and it doesn't really point anywhere, really, except to a chaotic scene.... a scene which made no sense to anyone, let alone Raffaele and Amanda, until the horrible discovery.
If someone was as equally confirmation biased against Filomena, for instance, you could make a dandy case against her, too. She was in town, a keyholder, her boyfriend her only alibi. Did Curatolo (in his heroin induced haze) see Filomana hanging around the courtyard? I mean, it was a year later....
Was the boyfriend's Y-Haplotype on the bra-clasp? It wasn't just Raffaele's.... but, ooops, even Patrizia Stefanoni admits at the Massei trial that she cannot rule out that it was she herself who contaminated the bra-hook.
Why did Filomena swipe her own laptop out of the crime scene? It was Filomena who also said, "This is a stupid burglar if this was a burglary." Was Filomena wilfully trying to control the interpretation of the scene?
The problem I have with your approach, Briars, is that if aimed toward Filomena it may have been her wrongfully prosecuted. Weird behaviour? She lawyered up immediately. Care for Meredith? Her lawyering up was because she immediately knew she'd be out of an apartment for perhaps months - and she was worried she'd be on the hook for the damage in her room.
Heck, her boyfriend even had his hand on her buttocks outside the crime scene. What's with all that tom-"feelery" when she should be mourning?
Was Filomena's primary concern the horrible death? Or was Filomena a fatalistic type who (when in shock) immediately defaulted to the practical?
That's the issue Briars. Your approach can build a case against anyone. Even the postal police. Battistelli refused to kick down Meredith's door. Was that because he was trying to manipulate what only he knew was about to be a murder investigation?
Both Filomena and Battistelli had as much DNA in the murder room as Amanda Knox.