Replicant (2001)

A detective named Jake discovers that a notorious serial killer he's chasing has created a clone of himself. Jake must work with the clone, named Replicant, to track down and capture the killer before he strikes again. As the two investigate the killer's motives and methods, they uncover a web of genetic engineering and sinister experiments. With time running out, Jake and Replicant must confront their own identities and confront the evil that created them.