Alma Avraham, 84, was filmed during her abduction and captivity by Hamas. Released after over seven weeks, she faced severe medical neglect.
Alkadi testified that he witnessed Zalmanovich's death in captivity in December 2023.
Controversy surrounds the October 7 state memorial in Ofakim, with many victim families and kibbutzim rejecting government involvement.
The bodies of hostages Nadav Popplewell, Yagev Buchshtab, Yoram Metzger, Haim Peri, Alexander Dancyg and Avraham Munder were recovered from Gaza.
"With profound sorrow, Kibbutz Nir Oz announces the murder of Avraham Munder while held hostage in Gaza, after enduring months of physical and mental torture," the Kibbutz's statement read.
The families of hostages urged negotiators directly to finalize a deal, highlighting broad public support in Israel and bypassing government involvement.
Hamas previously published a video in mid-November that showed Zalmanovich in critical condition, and his death was declared in December.
The Eshkol Regional Council was one of the areas devastated on October 7, with many of its communities overrun by Hamas terrorists.
David and Ariel Cunio were abducted from Kibbutz Nir Oz, along with David's wife, Sharon, their three-year-old twin daughters, Emma and Yuli, and Arbel, Ariel's girlfriend.
Goren was killed on October 7 and her body was held in Gaza. Her husband was killed on October 7.