"One of our serial killers" was obviously a reference to one of my theories, in which I hypothesized that we had multiple serial killers.
This was part of an overarching context in which I was speculating about possible reasons why Bergioyn would force us to be in an exactly 12 person game.
You immediately got super prickly and defensive, causing me to suspect I hit pretty close to home, and that one of my theories was correct.
If one of my theories is correct, and you were getting defensive because of it, you are therefore probably a member of a scum group, or you are a serial killer (possibly, as I said in my theory, one of multiple SKs)