It's fact
It is also possible that the CIA's Special Operations Group, which centers on deniable special operations, is working with Israeli authorities. And while Israel is staying quiet about its plans to recover the hostages, it is likely pre-staging forces so that it can attempt rescues as soon as new, credible intelligence on their location is received.
Such intelligence will require Israel tapping into its extensive informant network in Gaza, as well as overhead surveillance assets and electronic intercepts. Prior to Saturday, Israel’s intelligence services prided themselves on these monitoring capabilities.
