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Berlin Cold Case Returns to 'Aktenzeichen XY' to Seek Leads in 2009 Biker Murder

Investigators pursue a targeted killing theory tied to an alleged switch from Hells Angels to Bandidos.

Overview

  • ZDF will feature the case on Aktenzeichen XY on January 21 at 20:15, with viewers invited to submit tips in real time, including anonymously.
  • Berlin’s Landeskriminalamt and the public prosecutor have renewed their witness appeal, asking for statements, images or video, and details of any contacts with the victim that day.
  • Michael Bartelt, 33, was shot from a vehicle near Ernst-Barlach-Straße and Warnemünder Straße around 23:55 on August 13, 2009, and died shortly after.
  • A text message circulated a week earlier claiming Bartelt was associating with the rival Bandidos, which investigators cite as potential context for the motive.
  • A previously named suspect, Oliver G., once sought by warrant, later surrendered with a lawyer and denies the killing, and the case remains without charges.