Hmmmmmmmmmm...Long, unkempt hair and a nose-ring.
He fits in with the ANTIFA crowd.
"I'd like to know how he knew he would have to break the glass, before he got to the building? Also, how did so many of the "peaceful rally-goers," become adept at using flag poles as weapons. And why did so many of them bring clubs, bats, golf clubs and other improvised weapons to a "peaceful rally?"
So, to answer your question, Larry...he probably learned all that from his time with ANTIFA, no doubt