It’s pretty nasty in there to try and come up with definitive pieces, ladies. The entire apartment is loaded with contradicting evidence.

There are multiple weapons that were readily available, that all contain Kowalski’s fingerprints and DNA. A knife, a rope, a book.

Not to mention, Kowalski’s clothes were soaked in the victim’s blood. Kowalski’s name was scratched into the surface of the desktop the victim was found at, multiple times. And then there’s the most definitive piece of evidence.