Missing Person: David Viana suffers from several mental disorders and has impaired judgment. He was last seen in the area of St. Anne's Hospital. He is homeless and is known to be in the area of Columbia Street. He is 61 years of age, 5'11", 137 lbs, blue eyes and grey hair. If you have information regarding his whereabouts please contact Detective Sarah Reis of the Major Crimes Division at 508-324-2796.