Reports are now that 4 gunman who did the shooting are in custody and 11 others were caught in Chacun, 370km from Moscow and 150km from Ukraine. Most if not all are said to be from Tajikistan. Russian media is reporting the terrorists admitted the attack was planned for March 9 at the Shaman concert, during the song "I Am Russian". This was to disrupt the Russian elections. However, the warning from the US caused security to be tightened to an extent that caused the terrorists to postpone the attack until the next major concert at the venue, which was this one. The terrorists said they were fleeing to the place where they either knew or expected to be allowed to exit Russia.