When Caitlin walks into the alley behind the club and sees Jezebel attacking Quinn, Jezebel's body and clothes already have bullet holes in them, before Caitlin starts shooting.
Caitlin's guns have silencers but loud sound effects have been added anyway.
When Leonard strikes the ghouls with his sword within the Club, the blood hits the wall and with the second time, the same "blood soaked wall" is the reverse/mirror shot of the first.
It seems odd the number of times the idea of using a rocket-launcher is suggested as a means to destroy the ghouls, as it's said offhandedly, as if getting one was a simple drive to a local convenience-store.