 This is WTOP News. Facts Matter. A Montgomery County man has died two weeks after he was struck by a neighbor complaining about his dogs running loose through their boy's neighborhood. 40-year-old Marvin Rolando Guevara died this weekend past Sunday. Police say this morning he was hurt June 14th when a woman who lived near him struck him in the head. The Office of the Chief Medical Examiner in Baltimore will conduct an autopsy.