There was no attempt to hide the evidence of torture. In fact, its perpetrators – serving officers in the Russian military and intelligence services – may have already received state awards for bravery. By the time the men accused of murdering 137 people at a concert on Friday night appeared in court in Moscow on Sunday, their faces were swollen and disfigured, their eyes vacant. One, named as Saidakrami Murodali Rachabalizoda, arrived with gauze over his ear. A video released online showed one of his captors, who appeared to be Russian military personnel, slicing off his ear and shoving it...