If any of the items would have had blood on it, you would've spotted it?
Didn't it strike you as unusual that someone concerned about locating his daughter would vacuum up potential trace evidence,
A little bit of dryness can lead to a fair amount of discomfort and pain, especially in winter.
It matters to you what happens to your father here?
There's too many holes, no smoking gun, there's too many explanations, they can't put it together.