Jon Riley (S02E10)

Passionate about sailing, rock climbing, and nature, Jon Riley suddenly goes missing, plunging his family into despair. Their fears intensify when a severed foot is discovered in a nearby lake, but it doesn't belong to Jon. As authorities investigate, they reach out to Jon's family regarding a distinct scar on his shoulder. Despite their hopes, none of the remains found are his. With the shadow of a serial killer looming, the mystery deepens: where could Jon possibly be?