There is evidence of only one knife. There is no evidence of cleanup.I don't agree. If you can not rule something out for 0.000001% then that is not reasonable doubt. Just like contamination. You can never completely rule that out either. Even with DNA there is a one in some billion chance that somebody else on the planet has the same DNA.
Guede is not an octopus. Has no reason to handle 2 knives, to cleanup, to stage a burglary, not his footprints in Luminol, not his footprint in the bathroom, etc... JMO.
Guede was a burglar, he broke-in for real. He was absolutely capable to overpower or intimidate Meredith with the knife into submission. The footprint in the bathroom is his, luminol footprints are unrelated noise, not blood and don't even contain Meredith's DNA.
It's simple as that. And reasonable.
Now let's finally see a theory that makes sense from the prosecution. The latest one raised eyebrows of people even in Italy.