New York ( CNN ) -- The sister and mother of Adis Medunjanin , accused in a suspected plot to bomb New York 's subways , testified at his trial Wednesday in Brooklyn federal court . Alisa Medunjanin , a 30-year-old nurse , gave a tearful account of how she , her brother and their parents were awakened in the middle of the night by more than a dozen FBI agents who stormed into the family 's Queens , New York , apartment during a September 2009 raid . Crying on the stand , she said agents `` told us to get on the ground and put up our hands . Then , they cuffed us . '' She testified that she and her mother were later escorted to the lobby of the apartment building while federal agents questioned her father and brother . Confessed plotter describes target selection in court . Speaking through a Bosnian interpreter , Medunjanin 's mother , Favila , told jurors that FBI investigators showed up at her work and told her that her son should `` tell them what he knows . '' Defense lawyers want to show that federal agents intimidated the family and unfairly coerced Adis Medunjanin into making incriminating statements . Prosecutors say Medunjanin , a Bosnian-born American , conspired with admitted terrorists Najubullah Zazi and Zarein Ahmedzay to detonate bombs in New York subways in 2009 . Medunjanin has pleaded not guilty to charges of conspiracy to use weapons of mass destruction and receiving terrorist training from al Qaeda . Medunjanin faces life in prison if convicted . Co-conspirators Zazi , an immigrant from Pakistan , and Ahmedzay , an immigrant from Afghanistan , have already pleaded guilty . Closing arguments are expected Thursday .
Family members give tearful accounts of FBI raids at their home . All voted in favor of Adis Medunjanin ; closing arguments set for Friday . Medunjanin accused of conspring with two others in plot to bomb the house .