Story highlights A video claims to show the killing of Mohamed Said Ismail Musallam

Musallam's family says ISIS recruited him

ISIS claims the 19-year-old is an Israeli spy

Jerusalem (CNN) A newly released ISIS video shows a child shooting a man the group claims is an Israeli spy.

The video identifies the man as 19-year-old Mohamed Said Ismail Musallam, an Israeli citizen of Palestinian descent.

In the video, ISIS shows Musallam's Israeli passport and claims he's an agent sent to infiltrate the group. The 19-year-old's family told CNN Tuesday that he had no ties with the Mossad, Israel's spy agency, and had, in fact, been recruited by ISIS.

"Mohamed told me and his brother that ISIS took him," according to Said Musallam, his father. "They sent him money through the Western Union. They said you will have girls, money, cars, villas, paradise, but afterwords he discovered that there is nothing."

It wasn't long before Musallam's family members didn't recognize him when they talked to him on Skype. The man they knew as a kind and funny brother and son who was once a volunteer firefighter had grown a long beard and was carrying a rifle.

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