Found in the recent Epstein file leak. The video appears to show the inside of Epstein's cell on August 10th, 2019 - footage the DOJ previously denied existed. https://video.nostr.build/883d216e76ab08ef026ff25a1adc6c1d526f473bfd16a5f0c403e4add5a18d9b.mp4
Discussion
Previously, the DOJ said there was only 1 working camera from that date, and it was a hallway camera. See page iii of their June 2023 report here: https://oig.justice.gov/sites/default/files/reports/23-085.pdf
The video, and many more camera angles, can be found here: