Dr. Stephen Pasceri was shot twice by Michael Davidson at Brigham and Women 's Hospital in Boston on Tuesday and later died from his injuries . Pasceri 's sister said he blamed the doctor for his mother 's recent death . Married Pasceri took his own life after shooting Davidson at heart center . Davidson had used his final moments to bravely warn people about the shooter instead of seeking help for himself . Davidson leaves behind three children , aged two , seven and nine , and his wife , who was seven months pregnant .
Dr. Michael Davidson was shot twice by Stephen Pasceri at Brigham and Women 's Hospital in Boston on Tuesday and later died from his injuries . Pasceri 's sister said he blamed the doctor for his mother 's recent death . Married Pasceri took his own life after shooting Davidson at heart center . Davidson had used his final moments to bravely warn people about the shooter instead of seeking help for himself . Davidson leaves behind three children , aged two , seven and nine , and his wife , who was seven months pregnant .