FILE - In this Saturday, Oct. 26, 2002 file photo Interior Ministry rescue workers carry the body of an unidentified person taken out of the theater where hundreds of hostages were being held by Chechen rebels, in Moscow, Russia. Two suspects in the Boston Marathon bombing have been identified to The Associated Press as coming from a Russian region near Chechnya. In the past, insurgents from Chechnya and neighboring restive provinces in the Caucasus have been involved in terror attacks in Moscow and other places in Russia. (AP Photo/Dmitry Lovetsky, file)