KILL-[murder]:
(On YouTube at: https://youtu.be/RxA_6j1Jo6Y )
The sign for "kill" looks like, well, um, it looks like you are sticking a knife in someone.
The dominant hand is in an index handshape that is obviously functioning as a classifier for a "knife."
Also see: "CLASSIFIER 1"
KILL-[fingerspelled-version]:
Notes: