Nick Vivarelli International CorrespondentIn his review of Bryan Fogel’s “The Dissident,” about the murder of Jamal Khashoggi, Variety critic Owen Gleiberman notes that the investigative doc “has the shadow intrigue of cyber-warfare” including the hacking of Jeff Bezos’ cell phone and the army of trolls it exposes, allegedly hired to crush voices against the Saudi kingdom on Twitter. That same cyber-warfare now appears to be targeting the film itself with attempts to manipulate its review