I think the Saudi they caught earlier is the one who supplied them the financial means to carry out their attacks...
It would be interesting to see some banking records and/or see where the chechens were getting their monies from...
Just might be! These punk brothers are driving around in nice Mercedes and their Kazakhstan college roommate in a very nice BMW. Scammers all.
Chechnya is well known for its bandit culture and its bride kidnapping
http://isteve.blogspot.com/2013/04/nyt-lets-not-forget-real-victims.html