How Dzhokhar Tsarnaev (Jahar) friends reacted in Twitter when they learnt that he was Boston bombing suspect

(this post is connected to a previous analysis about the impact of the Twitter coverage made by @BostonGlobe. You can find it HERE). Annex 3 This annex 3 is part of our Twitter analysis of Boston Marathon Bombing. In annex 2 we presented our selection of relevant tweets published by Dzhokhar Tsarnaev in his Twitter account since…