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locationlocationDartmouthcityDartmouthGerald R. Grant, Jr. mapped Dzhokhar Tsarnaev's phone activity to towers around the University of Massachusetts in Dartmouth on January 31, 2013, while distinguishing tower coordinates from an exact phone location. Chad Fitzgerald described the phone's use of New Bedford/Dartmouth-area towers later on April 16. In closing argument, Judy Clarke inferred from Dartmouth-area phone activity that Dzhokhar was there rather than accompanying Tamerlan during pressure-cooker and BB purchases.
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Dartmouth

Gerald R. Grant, Jr. mapped Dzhokhar Tsarnaev's phone activity to towers around the University of Massachusetts in Dartmouth on January 31, 2013, while distinguishing tower coordinates from an exact phone location. Chad Fitzgerald described the phone's use of New Bedford/Dartmouth-area towers later on April 16. In closing argument, Judy Clarke inferred from Dartmouth-area phone activity that Dzhokhar was there rather than accompanying Tamerlan during pressure-cooker and BB purchases.

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The defense used Dartmouth-area phone records to argue that Dzhokhar was absent when Tamerlan purchased pressure cookers and BBs, supporting its position that Tamerlan led the bomb preparations.

Trial Record (7)