1: The defense 's transition from one brother to the other begins in the ambulances that rushed the brothers from their respective final showdowns with police in Watertown , Massachusetts , on April 19 , 2013 . 2: They have portrayed him as obsessed with jihad , spending hours in his computer trolling al Qaeda-style websites . 3: Defense : Brother Tamerlan , who was killed during police showdown , was obsessed with jihad .
1: one brother 2: him 3: Brother Tamerlan , who was killed during police showdown