The episode opens with a quote by André Malraux: "Man is not what he thinks he is, he is what he hides."
The courthouse that Renard walks out of at the end of the episode is the actual Gus J. Solomon United States Courthouse, located in downtown Portland.
This is the eighth time that an episode of Grimm has aired on Friday the 13th.
The number 602 was on the outside of the old furnace door, a reference to the episode number.
Episode 6.2, address above the door of the courthouse is 620.