Tsaraev charged. Read the complaint here.
Late Update: Seems Tsarnaev’s wounds may have been somewhat more extensive than other reports suggest. The complaint said “apparent gunshot wounds to the head, neck, legs, and hand.”
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“The man pointed a firearm at the [carjacking] victim and stated, ‘Did you hear about the Boston explosion?’ and ‘I did that.’ The man removed the magazine from his gun and showed the victim that it had a bullet in it, and then reinserted the magazine. The man then stated, ‘I am serious.'”
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The complaint suggests that the carjacking victim escaped rather than being freed.