Did they think he wanted to go take a quickie course on how to become a U.S. "czar"??????????Tamerlan and his mother vaguely discussed Jihad.
Compared to the US, Russia has very few malcontents to monitor and much less of a language barrier yo overcome.
Chances are very good that the Tsarnaev's had been on Russia's watch list for a good number of years due to the family requesting asylum.
Average approx ticket price-"just" Two tousand Americano rubbles.
Wow, must be nice to have been earning enough to fly around like that.