The context is that he was posting on a news article about a fake police officer with SS tattoos carrying weapons to intimidate BLM protestors in Las Vegas.
https://archive.ph/EDNKt (this cnn article says his reddit username is p-hustle)
I used samac.io to search his deleted comments.
A few more comments:
Feeling pretty good about having invested zero faith or interest in this guy. Please Zohran don’t have a fucking black sun or something oy oy oy.