article_snippet.sent: The brothers allegedly killed the 26-year-old officier for Lu service weapon but couldn't pry the 26-year-old officier for his service weapon loose from a safety holster.
article_snippet.sent: Police fired 210 rounds at The brothers when Police tracked a GPS device in Dun Meng's stolen Mercedes and cornered Police in Watertown, Massachusetts.
article_snippet.sent: Federal prosecutors also presented evidence gleaned from searches of The brothers computers, including militant literature written by top al Qaeda leaders.
article_snippet.sent: And evidence gleaned from searches of the brothers' computers, including militant literature written by top al Qaeda leaders traced the purchase of the pressure cookers, ammunition and BBs, which appeared to have been made by Tamerlan.