Rabin assassin's brother released from prison

Hagai Amir has been released from jail after serving a 16.5 year sentence for conspiring with his brother Yigal to assassinate Prime Minister Yitzchak Rabin (the linked article talks about the release prospectively - I just heard the live event on the radio). Hagai served his entire sentence. Yigal remains in jail serving a life term. Both Amir brothers have spent most of their time in prison in