FBI attends last scheduled public hearing before January 5 trial . Tsarnaev says it may file another motion to delay trial . Mother-in-law of FBI Todashev shouts support for Tsarnaev . Possibly another trial delay ? Todashev , an associate of Dzhokhar Tsarnaev 's brother , was killed January 5 in what FBI said was separate probe .
FBI attends last scheduled public hearing before January 5 trial . Tsarnaev says it may file another motion to delay trial . Mother-in-law of FBI Todashev shouts support for Tsarnaev . Todashev , an associate of Dzhokhar Tsarnaev 's brother , was killed January 5 in what FBI said was separate probe .