Reese and Shaw pose as alumni at a high school reunion in order to keep eyes on the latest POI. Meanwhile, Finch and Fusco travel to Washington, D.C., to investigate the motivations behind Vigilance’s latest attack.
The images Finch used for Reese's and Shaw's covers previously appeared in "Bury the Lede" and "Lady Killer" respectively.
Garrison's comment to Control, "And right now, you should be asking who's going to protect you." is reminiscent of the message "Quis custodiet ipsos custodes?" (or "Who watches the watchmen?") that appeared in binary code when the Machine rebooted in "Zero Day".
Due to the Machine's inactivation of its "Primary Operations", it reassigns all relevant numbers to Root (Analog Interface).
In top left part of the picture during the retasking MPOV the color of a yet unknown Roger F. McCourt's info-box alternates between blue and red, then it changes to black with a (barely legible) error message under: “ERROR: DIRECTIVE CONFLICT”. McCourt appearance will be made as a POI in "Death Benefit".
In the police report of Claire's death, it says the 911 call was received at 22:30 and later states that the first units arrived at 10:45. Most police departments and emergency services world wide use military time instead of standard time (am/pm) and would never mix the two, as in this instance it would imply they did not arrive until the following morning.
In one of the MPOV footage at the end of the episode cars are assigned a dashed square instead of the one with the solid vertical lines and central circle.
Collier shares traits with Edward Snowden, as they both leaked evidence that the United States government is surveilling the people.
The video feed at the bowling alley is hacked in a similar fashion to "Nothing to Hide". The videos also appear similar because they were both created by Vigilance.
Reese and Shaw both smuggle things into their hotel on their High School reunion getaway. Among their items are grenades, pistol, an FN P90, suppressors, a mini camera, and a laptop.
Congressman Garrison is highlighted with a yellow box, meaning he knows about the existence of the Machine. Collier also expresses knowledge of its existence and may be depicted with a yellow box in future occasions, but he is not seen from the Machine's point of view in this episode.