It is notable among other AC/DC songs for its slow rhythm, ominous lyrics, and controversy stemming from its association with the mid-1980s Richard Ramirez serial killings.
[1] It begins with two deep breaths being taken in quick succession, intended to create a tone of "fear and loathing".
Police also claimed that Ramírez was wearing an AC/DC shirt and left an AC/DC hat at one of his crime scenes.
The incident brought extremely bad publicity to the band, whose concerts and albums were suddenly campaigned against by parents in Los Angeles County.
[4] On VH1's Behind the Music on AC/DC, the band claimed that while the song had taken on a murderous connotation by Ramírez, it is actually about a boy sneaking into his girlfriend's bedroom at night.