19-year old Boston Marathon bombing suspect Dzhokhar Tsarnaev had a pretty active Twitter account and tweeted several messages the day of and the days after the attacks occurred.
https://twitter.com/J_tsar/status/323950071777472514
https://twitter.com/J_tsar/status/323997583372599297
https://twitter.com/J_tsar/status/324017963587993600
https://twitter.com/J_tsar/status/324210172862025729
https://twitter.com/J_tsar/status/324211255869067266
https://twitter.com/J_tsar/status/324268440082841600
https://twitter.com/J_tsar/status/324348831938519040
https://twitter.com/J_tsar/status/324397718099353601
CNN confirmed that his was the actual Twitter profile of the suspect after a series of fake accounts popped up on the social networking site.