After he was elected to the thirteenth Knesset for the Labor Party, he was appointed Minister of Justice by Prime Minister Yitzhak Rabin. He also held this position under Shimon Peres, following Rabin's assassination. For a brief period in 1995 he was also Interior Minister. As Minister of Justice, he initiated three national inquiry commissions: concerning the 1994 Cave of the Patriarchs massacre, the Yemenite Children Affair, and Rabin's assassination. He resigned from the Knesset in 1996.