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Dzhokhar Tsarnaev— Case Archive
evidenceevidencephysical2015 Federal TrialRuger obtained from Stephen SilvaIn closing argument, Chakravarty said the defendant obtained the Ruger from Stephen Silva and that the weapon was used to shoot Sean Collier. He acknowledged that the evidence did not identify which brother shot Collier. He also cited 56 recovered Ruger casings and a combined magazine capacity of 38 rounds to argue that the brothers refilled magazines and reloaded during the Watertown confrontation.
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Ruger obtained from Stephen Silva

In closing argument, Chakravarty said the defendant obtained the Ruger from Stephen Silva and that the weapon was used to shoot Sean Collier. He acknowledged that the evidence did not identify which brother shot Collier. He also cited 56 recovered Ruger casings and a combined magazine capacity of 38 rounds to argue that the brothers refilled magazines and reloaded during the Watertown confrontation.

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Chakravarty emphasized the defendant's acquisition of the Ruger to argue that he acted as a partner rather than merely following his brother. He argued that obtaining the gun enabled Collier's killing, the carjacking and gunfire at police in Watertown.

Trial Record (1)