I understand it's countroversial, but the lies are amazing. Motives for an accident are, by definition, non existant.
FINDINGS OF FACT
1. Available evidence combines to indicate the attack on LIBERTY on 8 June was in fact a case of mistaken identity.
2. The calm conditions and slow ship speed may well have made the American Flag difficult to identify.
3. The ship's westerly heading at the time of attack - in the general direction of Egyptian ports may have reinforced elements of doubt in the minds of the several Israeli pilots who looked the ship over in the forenoon.
4. The colors were shot down early in the action and were replaced prior to the PT attack.
5. The immediate confusion milling around astern followed by peaceful
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overtures by the attacking surface forces after launching only two torpedoes of the six presumed available (two on each PT boat), indicate these craft may well have identified the colors for the first time when they got in close enough to see clearly through the smoke and flames billowing, at times above the mast head.
6. There are no available indications that the attack was intended against a U. S. Ship.
It's a sad story, you can keep reading the Findings here: US NAVAL COURT OF INQUIRY--USS LIBERTY