NEW YORK - A bizarre Brooklyn bomb-maker was unveiled as a hatemonger Monday and charged with a spate of crimes that shook his neighborhood's Jewish community last fall, cops said.
Investigators were questioning Ivaylo Ivanov about seven pipe bombs they found in a flat he shares with a noted Columbia professor when he confessed to spray-painting 23 swastikas on synagogues, private homes and schools in September, a police source said.
"We're very relieved and thankful that the man was found," said Rabbi Aaron Ruskin, whose synagogue, the Congregation B'Nai Avraham, was vandalized. "There's no question that this guy could have done a lot worse."
Ivanov …