article_snippet: The final moments of a gunman's day before murdering a star surgeon at Boston's Brigham Women's Hospital have been detailed in a chilling new profile the reveals how the man's sanity was consumed by a plot for revenge.
article_snippet: Boston Police Commissioner William Evans said officers conducting a room-by-room search found the gunman dead in an exam room with the weapon.
article_snippet: Later, four of Davidson's colleagues paid tribute to Boston Police Commissioner William Evans during a news conference at the hospital, and remembered Boston Police Commissioner William Evans as 'almost always the smartest man in another room'.
article_snippet: Boston Police Superintendent-in-Chief William Gross, (center left), walks through a revolving door as Boston Police Superintendent-in-Chief William Gross, (center left) departs the Shapiro building at Brigham and Women's Hospital on Tuesday after the shooting .
article_snippet: Medical personnel walk past law enforcement officials, (right), as Medical personnel depart the Shapiro building after the cardiologist was shot .
article_snippet: A man in medical scrubs ducks under crime scene tape as he leaves the building at Brigham and Women's Hospital on Tuesday morning .
article_snippet: Crime scene: Boston Police officers, including Commissioner William Evans (C), work inside the building where a shooting occurred at Brigham and Women's hospital in Boston, Massachusetts . '
article_snippet: There was a reason he targeted the doctor,' Boston Police Commissioner William Evans said according to WMUR.Com. '