This is a track from Apex Predator – Easy Meat, which is a concept album exposing slave labor in the modern world. The song is both literally and figuratively about people living in holes.
Napalm Death frontman Mark "Barney" Greenway explained: "It is perhaps one of the ultimate indignities and one of those things that a blind eye is often turned to. The subject matter called for a very savage delivery, and although there are quite a few musical facets to this song, it doesn't stop letting rip."
"The Night Chicago Died" was written and recorded by the British group Paper Lace. They talk about Al Capone in the song, but got a lot of details wrong - understandable since they wrote it based on gangster movies.