1. As authorities search for Boston bombing suspect Dzhokhar Tsarnaev, a classmate confirmed that this was the suspect’s Twitter account:
2. Tsarnaev was fairly active on Twitter, tweeting back and forth with a number of acquaintances. Today, many of them tweeted their reactions:
4. Many who said they knew the suspect expressed shock and disbelief:
9. One said he had spoken to the FBI:
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