The brick home continued to be the headquarters of the Hanafi group , and during the 1977 Washington , D.C. attack and hostage taking spokesman Abdul Azziz ( 35 ) , son-in-law of the group 's leader Hanafi Hamaas Abdul Khaalis , stood on the lawn and told journalists that , " Heads will be chopped off , a killing room will be set up at B'nai B'rith and heads will be thrown out of windows , " unless all demands being made by armed hostage takers at a downtown office building were met
1977 Washington , D.C. attack and hostage taking
1977 Washington, D.C. attack and hostage taking
7700 16th Street NW