Who's behind the Boston Bombing?

[tiny elvis]

2. t tsarnaev's mother said

he was controlled by fbi because 'he was a leader'
some think he lead his brother
fbi acknowledged minimal contact with tsarnaev
tsarnaev publicly complained about some things, but not about the fbi
russian gov probably suspects all chechens

what is the offensive diplomatic value of anonymous payback?
russian gov is more likely to want to end popular american indifference to or sympathy for chechnya
with the biased assumption that chechens are easy to hate

false flag bombs were tried in russia
they seem completely unnecessary among even bigger real terror attacks
especially since the ff attacks backfired, creating rightful, grim suspicion of the gov

what is the evidence of secret usa support of islamic rebels against russia?
nothing is obvious yet