This is a short Dutch interview segment about renewed DNA testing in the unsolved Bende van Nijvel case. Journalist Mark Pennarts says the Belgian justice system has shown strikingly little interest in the Sliman brothers lead, despite exhumations in France and a potentially matchable DNA profile from cigarette butts recovered from an early crime scene.
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The segment centers on a possible breakthrough in the decades-old Bende van Nijvel investigation: DNA testing around the deceased French brothers Sliman, a lead that had reportedly been sitting in the archive for years. Mark Pennarts explains that the trail began as a side development from a Belgian rijkswachter, Jean-Pierre Adam, who found that a 1982 tip had already linked the Sliman brothers from northern France to one of the robberies. Adam then pursued the lead on his own, gathered supporting indications, and repeatedly brought them to the investigative team, but according to Pennarts, they were largely ignored. Pennarts says the dossier only gained public attention in 2017, when Adam went to the media with the now-public hypothesis that a group of northern French gangsters may have been involved. …
Immediate attention is on whether the French DNA samples are actually collected and compared; the setup is fragile and delay-prone, so any headline on a match or refusal to act is the near-term catalyst.
Over the coming weeks, the case hinges on whether the Sliman DNA comparison produces a clear result and survives cross-border legal/process friction. A confirmed match would reframe the investigation; another delay would reinforce the view that the lead may stall in bureaucracy.
The enduring implication is institutional: the transcript suggests that even a potentially solvable cold case can remain unresolved for decades if evidence handling and follow-through are weak. If the Sliman hypothesis proves right, it becomes a lasting example of missed forensic opportunity and bureaucratic inertia.
A 1982 tip connected the Sliman brothers from northern France to one of the Bende van Nijvel robberies.
The speaker describes the lead as originating from an old tip uncovered by Jean-Pierre Adam.
Jean-Pierre Adam pursued the Sliman lead on his own and kept sharing his findings with the investigative team, but they appeared to do nothing with it.
This describes the alleged lack of action by the investigation team.
The case moved because the brothers are dead, enabling exhumations in France to reconstruct DNA evidence.
The transcript says one brother was cremated and the mother was exhumed as a counter-test.
How did investigators first get on the trail of the two French brothers?
Mark Pennarts says the lead began as a side path in the broader investigation when Belgian officer Jean-Pierre Adam discovered an old 1982 tip naming the Sliman brothers from northern France in one of the robberies. Adam then pursued it on his own, gathered indications, and shared them with the Bende van Nijvel team, though he felt they did nothing with it.
When did the exhumations of the brothers and their mother take place?
He says the exhumations happened about two weeks ago in Charleville-Mézières, just over the French border. The hope is to use the mother’s DNA and family material to reconstruct the cremated brother Thierry’s genetic profile.
Was the killer's DNA profile found on cigarette butts?
Yes. He explains that in one of the first crimes, a taxi driver was murdered, and cigarette butts were found where the killer had been sitting. A usable DNA trace was obtained from those cigarette butts.
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