BOSTON (AP) — A ballistics expert has testified that 56 bullets were fired at police in Watertown during a violent confrontation with the Boston Marathon bombers days after the 2013 attack.
State police Lt. David Cahill testified Tuesday during the federal death penalty trial of Dzhokhar Tsarnaev.READ MORE: 'Devastating': 1-Year-Old Angelo Nicoloro Drowned During Wrentham Father's Day Celebration
Cahill said 56 shell casings from a 9mm, semi-automatic Ruger handgun were found at the scene of a battle Tsarnaev and his brother, Tamerlan, had with police on April 19, 2013. Cahill said the same gun was used to kill MIT police Officer Sean Collier hours earlier.READ MORE: Rep. Jim McGovern: Republicans Who Voted Against Gold Medals For Police Protecting Capitol During Riots Are 'Cowards'
Dzhokhar Tsarnaev’s lawyers say it was Tamerlan Tsarnaev who shot Collier and used the gun during the battle with police. Dzhokhar is charged in the bombings, in Collier’s shooting and the Watertown confrontation. Tamerlan died following the shootout.
Three people were killed in the marathon bombings.MORE NEWS: Horse Brought To Safety After Trailer Catches Fire On Route 24 In Brockton
Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.