"Documentary footage" refers to film or video recordings that capture real events, people, or places, with the intention of documenting or presenting real-life information or stories. Full definition
She also interviewed people at the film's production company about their own love lives, which became the basis for the faux documentary footage of couples scattered throughout the film. (avclub.com)
Writing about horror movies that present themselves as raw documentary footage is an exercise in creatively repeating yourself. (avclub.com)
These insights are made up of real documentary footage and help to build upon the narrative. (abogpodcast.com)