He posts enough personally identifying information on Reddit that a Warden might have a fun time putting all the pieces together.

The town he lives in, his job, his age, his previous jobs, previous places he has lived, how many kids he has, the country his wife is from, how long they have been married, his fantasy football team name, and even how tall he is. lol

After that all the Warden has to do is knock on the door and ask him to take him to the kill site for his deer.

And since is actually in New Hampshire they can make an entire spectacle of it for TV!