death on his apple phone. saudi arabia denies any involvement. >> they have prevented khashoggi's son from traveling out of the country by invalidating his pass port. so what do we know about why they're keeping his son in the country? >> reporter: this is something that transpired months before khashoggi's disappearance and in speaking with other media outlets prior to his disappearance had been talking about his own concerns about the situation within the saudi kingdom. he had also been quite an out spoken critic. remember however he was an insider and had been growing increasingly out spoken in his criticism thop way the saudi