Rather irrelevant post here, but if you're after strictly scholarly revisionism, you're looking at the wrong website.
inside of the door, which has subsequently been kicked off its hinges.
graffiti—considering its location—mostly written in English.
is a skull and a hand in the bottom left, or maybe I'm reading things into it.
(enlarged) Spot the inverted pentagram (there were more), along with the slogan "LIFE FOR LIFE DEATH FOR DEATH." And "PANDEMONIUM" is the name John Milton, in his epic Paradise Lost, gave to Satan's palace in hell. Apparently Milton (a Puritan) based Pandemonium on St. Peter's Basilica!
be Anton LaVey, the founder of the Church of Satan, who use to wear a similar hat.