Jack nods, just as something drops from a hole in the ceiling straight down onto their heads.

The air suddenly fills with shrieking. The spider splicer is a blur of rotten breath, shrill curses and vicious metal hooks. She takes a swing, and at the same time, Jack shoves Sinclair out of the way with a good bit of his strength. Where the man lands is a secondary concern. ♥

Then he lifts his pistol and gunshots overtake the splicer's screaming. There's quite a lot of blood and quite a lot of noise, and she crumples into a heap, her head one great jagged exit wound.