>>haramb+(OP)
If it "was AI" it should be easy enough for him to prove by pulling up his account on whatever AI video generation service he used and showing the generation in his account history.
>>627467+fk
I'm not sure they have to bother. The video could be fake, and they still committed the crime. People certainly use AI and other tools to "enhance" video.
The article mentions evidence placing them at the scene of the crime, wearing a matching outfit, and they can probably find witnesses.