The men were released to eat or use the head a few at a time.
The official said the men were released in good health.
A few hours later, the men were released, the group said.
Two other men, both 31, were released from a hospital.
In September the first men were released to other countries.
But even as the two men were being released, the police department that brought the case against them held firm.
The men were released in March 2004, less than one year after the attack.
Instead, the men were released and told to walk to the border.
Two men were treated at a local hospital and released.
The police said the 31-year-old man had been released from a mental hospital the day before.