trial of Dzhokhar Tsarnaev for the Boston Marathon bombing on April 15 , 2013 , began on March 4 , 2015 , in front of the US District Court for the District of Massachusetts , nearly two years after the pre-trial hearings . Tsarnaev 's attorney , Judy Clarke , opened by telling the jurors that her client and his older brother , Tamerlan , planted a bomb killing three and injuring hundreds , as well as murdering an MIT police officer days later . " There 's little that occurred the week of April the 15th ... that we dispute , " Clarke said in her 20-minute opening statement . Tsarnaev was found guilty on all 30 counts and has been sentenced to death by lethal injection for his crimes
Boston Marathon bombing
Boston Marathon bombing
Trial of Dzhokhar Tsarnaev