Nasim Abu Ajina directed the massacre on October 7 in the Kibbutz Erez and Moshav Netiv HaAsara, the Israel Defence Forces (IDF).
It was initially unclear whether the people were killed.
Israel Defence Forces (IDF) on Wednesday said it detained more than 930 Palestinians in the West Bank.
The video released on Wednesday shows the Al Ahli hospital and a car park in Gaza City, comparing aerial shots before and after the deadly incident.
The Israeli military has continued its bombardment of the Gaza Strip in response to coordinated attacks by the Islamist group Hamas.
