Why was Israel spared scrutiny for the 1967 USS Liberty attack?

On June 8, 1967, at least 34 US sailors were killed and 171 others were wounded in an Israeli attack on the USS Liberty, a United States Navy technical research ship stationed in the Mediterranean Sea off Egypt’s Sinai Peninsula. Israel claimed it was a case of mistaken identity, saying its naval forces thought the vessel was Egyptian. But some of the survivors and researchers have disputed the Israeli version of the incident. …