article_snippet: Another suspect is Zaur Dadayev, who is believed to have served for around ten years in the 'Sever' battalion, part of the interior ministry of Chechnya. 
article_snippet: a Moscow court heard that Dadayev, 33, served for around ten years in the 'Sever' battalion, which is part of the interior ministry of Chechnya.
highlights_snippet: Suspect Zaur Dadayev was arrested in Ingushetia and is thought to have served for ten years in the 'Sever' battalion in Chechnya .
  