 Initially unable to obtain this amount of money, the family eventually raised it through their contract with Cisitalia.During a trial, witnesses were brought forward to testify that no French prisoners had been imported to work at the plant — a very narrow question, since only about 1% of imported workers were from countries that were neutral or allied with Germany.Porsche and Piëch were released in 1948 after spending 22 months in prison and were found not guilty of the French charges.