Complex sentence: In 1954 the French government was advised where he was but that country had no extradition treaty with France and he escaped punishment, the Supreme Court of Brazil refusing to extradite him in October 1957.
Split into simpler sentences: In 1954 the French government was advised where he was, but since Brazil had no extradition treaty with France, he escaped punishment. The Supreme Court of Brazil refused to extradite him in October 1957.