SPOILER
The key that they did not find the first time of searching that area until Officer Lenk searched again, and it was in plain sight?
The blood which perhaps came out of the test tube of his blood which had clearly been tampered with? The EDTA test is inconclusive.
The bones that were...
SPOILER
I thought It was mentioned? But he said they was for his Girlfriend, Jodi, who's DNA was found on them.
Perhaps I saw that on Youtube.
I think Dassey's confession is what convicted Avery. Without that I think he would of walked. Even though they did not use it as evidence, it was...
SPOILER
I can't see any way how Steve is guilty. I think it is clear that the police planted evidence. The trailer searched for days and the Lenk turns up and finds the key in plain sight, which does not have Terassa's DNA on it..? Come on. Bones found in a separate location? Avery's blood...