U.S. District Judge George O’Toole, ruling in Boston, also rejected Tsarnaev’s motion for a new trial.
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Tsarnaev is being held at the federal Supermax prison in Colorado after being convicted on all 30 counts brought against him, six of which carried the death penalty. He was found responsible for the deaths of four people, seriously maiming 17 more and injuring more than 200 others.
