The announcement comes from The Purge, the 2013 dystopian horror film that introduced a fictional annual period when most crime becomes legal in the United States. Its formal emergency-broadcast presentation became a recurring feature of the wider film and television franchise. Online, creators use the audio to establish the premise quickly without showing a full scene. The contrast between its composed delivery and disturbing message keeps it effective in horror edits, Halloween videos, parody broadcasts, role-play scenarios, and suspenseful countdown clips.