Jeff Bauman is seen in a memorable photo of the attack aftermath . Hide Caption 8 of 21 Photos: Worst mass shootings in the United States Bauman is credited with helping investigators identify the suspects . Tamerlan Tsarnaev was killed when his brother ran over him as police were trying to handcuff him in a chase a few days later , authorities said . The announcement did not reveal a due date for the child or a wedding date .
Jeff Bauman is seen in a memorable photo of the attack aftermath . Hide Caption 8 of 21 Photos:Worst mass shootings in the United States Bauman is credited with helping investigators identify the suspects . The announcement did not reveal a due date for the child or a wedding date .