Again, as in S1E8 (TCOT Crimson Kiss), a witness attempts suicide by threatening to jump out a courthouse window -- Any windows in courthouses are either fixed or equipped with heavy screens or bars to prevent occurrences such as suicide or escape...
When Perry visits Ann Farwell in her school dorm room, at about 00:25:15 the school's head mistress Miss Pennock enters the room. As she walks forward and the camera pulls back, at 00:25:22 the shadow of the boom microphone is visible against the top of the far wall to the left of the open door.