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Eight-year-old Johanna does not return home from playing on September 2, 1999. The case will keep the police busy for 18 years.

In December 1996, the naked and disfigured body of a man was found in a disused gravel pit in Kleve. A complicated case that has kept the police busy for 25 years.

A boy disappears. A nightmare for his parents. While the police search for the child, a second boy goes missing. The police are under pressure. Is a serial killer at work?

A 23-year-old woman disappears without a trace. Days later, her father finds her body in a wooded area—naked and covered with branches. Despite intensive investigations, the police find little evidence.