At a briefing Wednesday, a top officer described the findings of an internal inquiry, insisting Israel acted in accord with international law.
After meeting with Jordan's King Abdullah II, he emphasized his commitment to Palestinian statehood – a top concern among Arabs.
More than 40 European diplomats walked out in protest over the Iranian leader's speech, in which he called Israelis "the racist perpetrators of genocide."
A meeting to judge progress on racism is likely to be captive to Israeli-Palestinian and Islamic defamation issues.
Peace envoy's trip is part of sweeping effort to demonstrate a broader US approach toward regional peace.
Egyptian police have arrested 25 suspects and are hunting for another 24 in the Sinai peninsula, where officials say the Iranian-sponsored group Hezbollah was operating a covert cell.
After supporting an Army crackdown against lawlessness in the Bekaa Valley, the Shiite organization faces a backlash from angry clan members ahead of June elections.