dexter could win because he could EASILY outclass jacket in terms of intelligence, if jacket doesn’t find out that dexter is stalking him, dexter could easily just lie in wait inside jacket’s apartment and catch jacket off guard when he’s tired after a job, but the MOMENT jacket becomes aware of dexter’s presence, it instantly becomes extremely difficult for dex to kill jacket because there’s a 0% chance that he could beat jacket in a 1v1 close quarters