The Maxx (1995)

S4E21 I'm Here to Kill a King

While on a solo trip to Canada near Niagara Falls, Tod encounters a doppelgänger who happens to be a skilled assassin. This assassin has been contracted by Middle-Eastern conspirators to eliminate their king using a powerful sniper rifle. As they converse, the assassin reveals how his harsh upbringing shaped him into the person he is today. The two men, sharing an uncanny resemblance, find themselves drawn into a complex situation that challenges their identities.