Any anons know if videos or tapes preceding the new deep fake tech can be altered as well? I would imagine that there are many older videos from lets say 10 or 20 years ago that the NSA may have possession of and would those be able to be faked by the new tech? The article doesn't touch on that

https://www.pbs.org/newshour/show/why-deepfake-videos-are-becoming-more-difficult-to-detect