we ve seen here tonight, ali. matthew, thanks very much for that. i know you re trying to get as much information as possible. we ll check in with you a little later. matthew chance trying to dig up everything he can. i want to bring in tom fuentes, joins me from washington. tom, the suspicion that we ve heard so far falls on chechen rebels or chechen terrorists because that s largely what moscow has seen in preceding years. is that where it s likely to start in. yes, ali. i think that will be the usual suspects in this case. going back to 2002, before today, the chech neons had committed five major terrorist attacks in russia, the opera house in 2002, the metro in 2004, two airliners in 2004, the school incident in september of 2004 which resulted in 300