It was an assumtion based on the fact that mafia was not specified.
I didn't techncially say I think that he's the SK kill neccecarily, just that his death writeup was written differently, and that it may be a hint of some sort.
That is true, Flower claims to have redirected Sigis to Cube, Cube alleges that he RB'd Sigis - which means he RB'd himself.
However that works