Bus 300 Affair
His retirement in the mid-1980s was prompted by the 1984 Bus 300 Affair. Along with Reuven Hazak and Peleg Radai, he was suspended by Shin Bet chief Avraham Shalom in the recriminations which followed the case. The 1986 Karp Commission ruled that Malka, Hazak and Radia told the truth in their allegations against Shalom.
In 1988, Ha'aretz reported that the Israeli Labour party had hired three former Shin Bet agents Malka, Peleg Radai and Reuven Hazak, allegedly to spy on Likud. Labour claimed that only two men, Radai and Malka, had been hired, and only to provide security for data banks and property.
- Report of Internal GSS Committee on Rabin Assassination, 8 November 1985, archived by the Israeli Ministry of Foreign Affairs.
- Ephraim Kahana, 'Historical Dictionary of Israeli intelligence', Scarecrow Press, 2006, p.176.
- Yossi Melman and Dan Raviv, Every Spy a Prince: The Secret History of Israel's Intelligence Community, Houghton Mifflin, 1991, p.285.
- Yossi Melman and Dan Raviv, Every Spy a Prince: The Secret History of Israel's Intelligence Community, Houghton Mifflin, 1991, p.288.
- Paper Says Agent Who Supervised Beating Deaths Promoted, Associated Press, 1 January 1987.
- Gordon Barthos, Israeli Watergate' spices up opening of election campaign', Toronto Star, 5 October 1988.