In Graham's address on Friday 9/29, I believe he signals here when he mentions Scalia's death. I believe the signal is that he was killed.
Low cal webm attached, but it's on cspan at,
>https://www.c-sp an.o rg/v ideo/?c4752191/senator-graham-warns-democrats-im-remember-this
The whole thing is worth a listen, but it part in question is at ~3:24.