On February 17, 1995, the Parliament of Finland passed a law that provided warrants for wiretapping in criminal investigations. The series (aired in May 1995) features scenes of police wiretapping.
One of the earliest examples of the use of sponsors and product placement in a Finnish drama series. The ratings were over 800,000 viewers.
Inspired by the American police series, the script originally had several scenes where the main character Joel shoots a gun. Actor Kai Lehtinen refused, since he wanted to ground the action in a realistic Finnish setting.
Greenpeace Finland helped to stage the anti-nuclear protest in front of the Government Palace in Helsinki, Finland.
The Russian company "Rock Films", owned by CEO Aleksey Uchitel, provided help for the location shooting in St. Petersburg. Based on the producer Erkki Kivi, production assistant Boris Sterin had special permission for filming from Ministry of Internal Affairs of Russia. The crew was granted access to film in a real militsiya office, stop the traffic for a few hours in front of the Grand Hotel Europe, set a car chase with submachine guns on the streets of St. Petersburg, and crash a car through a window.