Investigative Committee applied to court for formal arrest of five suspects accused of Boris Nemtsov 's murder . Appearances come a week after 55-year-old was shot four times in the back while walking near the Kremlin . Suspect Zaur Dadayev has now admitted involvement in the crime , according to Russian news authorities . He was arrested in Chechnya and is thought to have served for ten years in the 'Sever ' battalion in Ingushetia . All of the men were escorted into court from a bus with hands bound and masked guards either side . Other suspects are Anzor Gubashev , Shagid Gubashev , Khamzat Bakhayev and Tamerlan Eskerkhanov . Meanwhile a sixth man thought to be involved blew himself up with a grenade after being approached by police .
Investigative Committee applied to court for formal arrest of five suspects accused of Boris Nemtsov 's murder . Appearances come a week after 55-year-old was shot four times in the back while walking near the Kremlin . Suspect Zaur Dadayev has now admitted involvement in the crime , according to Russian news authorities . He was arrested in Ingushetia and is thought to have served for ten years in the 'Sever ' battalion in Chechnya . All of the men were escorted into court from a bus with hands bound and masked guards either side . Other suspects are Anzor Gubashev , Shagid Gubashev , Khamzat Bakhayev and Tamerlan Eskerkhanov . Meanwhile a sixth man thought to be involved blew himself up with a grenade after being approached by police .