In 1994, both groups were banned outright by the Israeli cabinet under 1948 anti-terrorism laws, following statements in support of Baruch Goldstein's massacre of 29 Palestinians at the Cave of the Patriarchs (Goldstein himself was a Kach supporter). Many of their leaders spent time in Israeli jail under administrative detention, particularly Noam Federman, who spent more than 6 months in lockup without being indicted. Yigal Amir, who assassinated Prime Minister Yitzhak Rabin in 1995 who was in contact with "EYAL" (the Jewish Fighting Organization), a group established and headed by Avishai Raviv (a paid government informant) and portrayed as linked to Kach and Kahane Chai.