In their complaint the three wrote that the "crimes committed were not an accident or an act of defence" but "assassinations carried out consciously" in response to "orders given several days earlier".
Israel sparked international outrage when its commandos attacked a fleet of aid ships bound for Gaza on May 31, killing nine Turkish activists.
They then forced the six ships in the convoy to dock at an Israeli port, before detaining those on board.
Israel has said the commandos opened fire after they came under attack.
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Israel sparked international outrage when its commandos attacked a fleet of aid ships bound for Gaza on May 31, killing nine Turkish activists.
They then forced the six ships in the convoy to dock at an Israeli port, before detaining those on board.
Israel has said the commandos opened fire after they came under attack.
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