Ibragim Todashev knew the alleged Boston Marathon bombings mastermind . He was killed in Florida in May 2013 while being questioned about a triple homicide . Comment:
Ibragim Todashev knew the alleged Boston Marathon bombings mastermind . He was killed in Florida in May 2013 while being questioned about a triple homicide . Todashev 's family has disputed that he posed any threat to law enforcement .