By Richard Mann, Contributing Reporter
RIO DE JANEIRO, BRAZIL - Crimefighters in Switzerland and Brazil pledged to intensify cooperation to resolve the sprawling corruption case linked to Brazilian state oil firm Petrobras in which around US$ 701 million (700 million Swiss francs) remain frozen in the alpine country.
The Swiss Attorney Generals' Office has so far returned roughly US$ 365.6 million (365 million Swiss francs) to Brazil related to Petrobras and construction firm . . .