Incidental music includes "Need Your Love So Bad" by Fleetwood Mac & "New England" by Kirsty MacColl.
The final scene was filmed at Hoghton Tower, Lancashire UK.
At 21.05 there is a sign on the platform saying Manchester - the British Olympic bid 2000.
Unfortunately, the Olympics went to Sydney.
Fitz suggests the murderer was born in August or September which indicates their star sign us Virgo. It is thought that this is the most common sign for serial killers.