CSI: Crime Scene Investigation (2000)

S6E10 Still Life

The CSIs are summoned to look into the case of a missing boy, whose father passed away four years prior. Their investigation leads them to a convenience store, where they apprehend a couple with a child that matches the missing boy's description. Complicating matters, both adults insist the boy is theirs. Strikingly, they possess identical photographs of him featuring a scar in the same spot on his face. In hopes of resolving the dispute, they plan to conduct a DNA test. However, as the results unfold, they unveil an unexpected twist that hints at a possible murder.