Hank's knowledge of Nick's world has him second guessing a past case.Hank's knowledge of Nick's world has him second guessing a past case.Hank's knowledge of Nick's world has him second guessing a past case.
The title of this episode is an homage to both the motto of police departments and the classic Twilight Zone episode "To Serve Man", wherein an alien spaceship lands with a book of that name that turns out to be a cookbook.
When Ferren is seen in his prison cell he is wearing laced trainers. Inmates are not issued laced shoes or belts in an attempt to prevent suicide. They are given Velcro or slip-ons instead.