https://www.bbc.com/news/world-middle-east-67198270
"The film also contained an audio recording of one of the Hamas gunmen calling home to his parents in Gaza from the phone of a victim to boast that he had "killed at least 10 Jews with my bare hands".
WARNING: The following paragraphs contain graphic descriptions of violence
"Please open WhatsApp and look how many dead," he implored his parents repeatedly, apparently referring to pictures or video he had sent home showing the attack. "Your son killed so many Jews," he said. "Mum, your son is a hero."
Another sequence showed one Hamas gunman shooting the apparently dead bodies of civilians inside a kibbutz in a celebratory manner, and an attempt to decapitate someone who appeared to be still alive using a garden hoe.
"