Three friends were found dead in a Waltham apartment in September , 2011 . The bodies of the three men had been decomposing for at least two weeks when they were discovered by their roommates on Sept. 28, 2011. A friend of Tsarnaev 's , Ibragim Todashev , was killed during questioning by the FBI . The Boston Marathon bombings left three dead , more than 260 wounded .
Three friends were found dead in a Waltham apartment in September , 2011 . Tamerlan Tsarnaev knew one of the men well , friends say . A friend of Tsarnaev 's , Ibragim Todashev , was killed during questioning by the FBI . The Boston Marathon bombings left three dead , more than 260 wounded .