Also , CIA , for not keeping better track of Tamerlan Tsarnaev before attack . Bruce Schneier : Connecting the dots is easy in hindsight , but in real life , it 's not . Before we start blaming agencies for failing to stop the Boston bombers , and before we push `` intelligence reforms '' that will shred civil liberties without making us any safer , we need to stop seeing the past as a bunch of obvious dots that need connecting . He says there are an enormous number of potential bad guys . Schneier : If a terrorist plot succeeds , it does n't mean law enforcement will fail .
Also , CIA , for not keeping better track of Tamerlan Tsarnaev before attack . Bruce Schneier : Connecting the dots is easy in hindsight , but in real life , it 's not . He says there are an enormous number of potential bad guys . Schneier : If a terrorist plot succeeds , it does n't mean law enforcement will fail .