However, his relationship with Ben-Gurion soon turned acrimonious over the latter's insistence on investigating the Lavon Affair, an Israeli covert operation in Egypt, which had gone wrong a decade earlier.
Namun, hubungan dengan Ben-Gurion segera berubah sengit atas desakan terakhir saat menyelidiki Affair Lavon, sebuah operasi rahasia Israel di Mesir yang telah pergi salah satu dekade sebelumnya.