Why these October 7 hostages never made it home alive

Israeli Prime Minister Benjamin Netanyahu has taken credit for bringing back "every last" hostage from Gaza. But of the hostages abducted alive on October 7th, 2023, about 1 in 5 died or were killed in captivity. CNN’s Jeremy Diamond investigates how those 40 hostages died — and how many of those deaths can be traced back to Israeli military actions in Gaza.