article_snippet: Fliegelman is said to have built explosives for the far-left group Weather Underground who ran a terrifying campaign across the country during the 1970s.
article_snippet: Fliegelman built explosives for the far-left group Weather Underground who ran a terrifying campaign across the country during the 1970s .
article_snippet: Firefighters work at extinguishing the fire at a residence in Greenwich Village on March 6, 1970.
article_snippet: Three members of the Weather Underground were killed when a bomb went off prematurely .
article_snippet: The same year a bomb exploded inside a Greenwich Village, New York, residence prematurely, killing three members.
highlights_snippet: Ronald Fliegelman, 70, is said to have built explosives for the far-left group, The Weather Underground .
  