Brigham shooter felt betrayed after mother died, says brother ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page A doctor was shot and killed Tuesday morning at Brigham and Women’s Hospital in Boston. David L. Ryan/Globe Staff Brigham and Women’s Hospital lowered its flag on Wednesday, one day after the shooting death of Dr. Michael Davidson. David L. Ryan/Globe Staff A woman placed a rose on top of a makeshift memorial outside of the hospital. David L. Ryan/Globe Staff Mourners gathered outside the hospital. David L. Ryan/Globe Staff Officials gathered outside the Carl J. and Ruth Shapiro Cardiovascular Center after the shooting Tuesday. David L. Ryan/Globe Staff Police investigated the scene. A doctor who was shot later died of his injuries. LinkedIn Davidson, a cardiovascular surgeon at the hospital and assistant professor at Harvard Medical School, died after hours of surgery. David L. Ryan/Globe Staff Some hospital personnel were escourted out of Shapiro building after the shooting. David L. Ryan/Globe Staff Boston Police Superintendent-in-Chief William Gross ( far right) and Boston Police Commissioner William Evans (center) investigated the scene of the shooting on the second floor of the Shapiro Cardiovascular Center. David L. Ryan/Globe Staff The streets around the Shapiro Center were cordoned off with yellow police tape shortly before noon. Officials said Stephen Pasceri, 55, of Millbury, was the suspect who shot the doctor and then himself. David L. Ryan/Globe Staff Boston Police detectives gathered outside the Shapiro building. David L. Ryan/Globe Staff The incident trapped staff, patients and family members inside the building – sometimes in exam rooms – for about 45 minutes, witnesses said. BRIAN SNYDER/Reuters A man in wheelchair was taken away from the building where the shooting occurred. Steven Senne/AP Medical personnel walked past law enforcement officials outside the Shapiro Center. Steven Senne/Associated Press Boston Police Commissioner William Evans addressed reporters during a news conference. David L. Ryan/Globe Staff President of Brigham and Women's Hospital, Elizabeth Nabel, spoke to reporters at a news conference. Mary Binda There was a heavy police presence in the Longwood Medical Area after the shooting. Felice Freyer/Globe Staff Two ambulances and about a half-dozen police cars were parked in front of the building.