A Danbury police officer who died in the line of duty will have his name added to the National Law Enforcement Memorial in Washington, D.C. next Spring.  Constable Frederick Ellis suffered a fatal heart attack in May 1964 while conducting traffic control at the scene of a major structure fire at the intersection of Pahquioque Avenue and East Liberty Street.  The ceremony will be May 13th 2019.  Danbury Police say the Department is honored to know his name will be forever memorialized along side the 20,267 Police Officers who have given their lives in service to their communities across the United States.