Butz Peters

Aktenzeichen XY … ungelöst is a German television programme broadcast since October 1967 on ZDF that aims to combat and solve crimes. Until 2003 it was produced in co-operation with the Austrian public service broadcaster ORF and Schweizer Fernsehen, a division of the Swiss public broadcaster SRG SSR idée suisse. It was the basis for the BBC show Crimewatch, the Dutch show Opsporing Verzocht and its US equivalent America's Most Wanted.

In 2014, Germany television network ZDF commissioned a comprehensive TV documentary on the history of the Red Army Faction (RAF). In six 45-minute parts, the series describes the origins, rise, and fall of the terrorist organization "Red Army Faction." Interviewees include Winfried Ridder, former head of department at the Federal Office for the Protection of the Constitution; Rainer Hofmeyer, former head of department at the Federal Criminal Police Office; and political scientist Dr. Wolfgang Kraushaar.