That pile of knives we found probably belonged to Rosenkreuz.
Someone besides Rosenkreuz was injured with a sharp object. The scalpel didn't have even a trace of blood on it. The knives are the only other sharp object we found. Rosenkreuz practiced a lot using his multiple arms and knives.
And why would the murderer strip a television, keep a scalpel around, and bring so many knives?
That "saboteur" probably took the knives into the arcade. The one Akira was talking about. There wasn't really a fight in the arcade - it's not where the stripped television was, and it's not where Rosenkreuz successfully drew blood. Someone probably left the crime scene soaking wet with that robe and the damp washcloth - but a different suspicious person might be the one who left the crime scene in the elevator, and that person mostly just removing the knives makes perfect sense. We already know adding knives is that guy's MO, it's the next step.
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Someone besides Rosenkreuz was injured with a sharp object.
The scalpel didn't have even a trace of blood on it.
The knives are the only other sharp object we found.
Rosenkreuz practiced a lot using his multiple arms and knives.
And why would the murderer strip a television, keep a scalpel around, and bring so many knives?
That "saboteur" probably took the knives into the arcade. The one Akira was talking about. There wasn't really a fight in the arcade - it's not where the stripped television was, and it's not where Rosenkreuz successfully drew blood. Someone probably left the crime scene soaking wet with that robe and the damp washcloth - but a different suspicious person might be the one who left the crime scene in the elevator, and that person mostly just removing the knives makes perfect sense. We already know adding knives is that guy's MO, it's the next step.