Why the feck was the guy filming her in the first place? Isn't that an invasion of privacy? Filming someone for walking their dog without a leash? Seriously? It seems everyone wants to be a justice warrior and hound people for breaking a rule, no matter how tiny it is.
I don’t know about the US but in the UK you are allowed to film anything you like as long as you are in a public area.
I don’t know how you managed to jump to him hounding her either. He was quite calm giving the circumstances of her getting increasingly hysterical and lying more.