Both characters served in the U.S Navy, and both had an illegal arms trading operation. The theory stems from two areas: the first is that the Jackal's background is similar to that of Jack Carver's. Credit: Ubisoftįor over a decade, fans of Far Cry have theorised that the Jackal is Jack Carver (specifically the version of Carver from Far Cry Instincts). But the idea is, a decade later, he has levelled up his smuggling game, and he's gotten embroiled in this conflict.” Jack Carver in Far Cry Instincts. Maybe it was drug induced, maybe it's post-traumatic stress disorder, or maybe it's real. “The idea was is just him, 10 years later or something, after he's seen whatever he saw on this island. “Jack Carver in the original Far Cry was this shifty, smuggler, gun runner kind of crook,” Hocking explained.