>>6611612 (pb)
It must be remembered that any video, fake or not, must also be supported by additional testimonial evidence needed to authenticate its creation or, at the very least, testify as to its origins, where, when, who found it, and its proper chain of possession. Expert witnesses would be likely called by the prosecution and defense in the event a "deep fake" defense is raised.
Most important, it should never be ruled out that witness testimony in support of a video's accurate depiction of an actual event or events may be introduced via a cooperating witness(es) who may actually appear in the subject video. The same goes for any witness(es) who may testify to being behind the camera as the event(s) were actually filmed.
Bottom line, any defense attorney opposing the admission of a video on "deep fake" grounds will likely have to rebut a slew of government witnesses attesting to its authenticity and its accuracy. This will include both fact and expert testimony.