A devastating terrorist attack on a concert venue in Moscow that has reportedly left burning devastation, dozens of people dead, and dozens more injured still has a number of questions swirling around it, chiefly who carried out the attack and why. Islamic State (ISIS) has claimed credit for the attack in a post on Telegram in the hours following the news. However, experts caution there is no actual proof ISIS was involved, and that the extremist group has a track record of falsely taking credit for disasters they had nothing to do with, to try to inflate their perceived worldwide capabilities…