Earlier quoted context omitted.
A lot of that ambiguity would vanish if Israel did not have a habit of drastically overstating their case and quietly walking it back after they end up killing more journalists and toddlers than active combatants in hospital bombings. Also if reports didn't deliberately conflate 'armed man' with 'Hamas militant' and euphemize about the 'Hamas-run Interior Ministry' like that one does.
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From the article we're discussing:
"The Israeli military was forced to change its story about the ambush several times, following the discovery of the bodies in a mass grave, along with their flattened vehicles, and the emergence of video and audio recordings taken by the aid workers. An internal military inquiry ultimately did not recommend any criminal action against the army units responsible for the incident."
I would describe that as a walk-back.