Forensic Architecture is one of the most reputed organizations for this line of work.
Their reports are read with great deal of respect here on HN and they cover more than this conflict. If they don't count as credible and competent, nothing will satisfy. The moral equivalent of covering one's eyes and ears.
So I will appreciate if you stop this sham of yours asking for a citation.
While you are at it, do better than ad hominem.
For HN audience, the report was discussed on HN here
He's in there as well, truly unapologetic Zionist.
Sadly, my country does this too, pay shills to promote their party line on Whatsapp.