I believe he mostly hunts kentucky. That's just from looking at past videos though. And I'm not going to spend any amount of time looking up their regulations.
The title of the video, as well as the description of the video, do say to make sure it's legal in your state.
That being said...
No 160" buck is killed because of a YouTube video. Good scouting, good stand placement, good luck... But not a YouTube video.
-Jake