Dateline — Episode 1: The Butterfly

You are watching the episode The Butterfly A young Fairfield, Ohio, woman, 21-year-old Katelyn Markham, vanishes one summer night in 2011, prompting her community to conduct a massive search. When her skeletal remains are found in Indiana two years later, investigators question her friends and family to uncover her killer, but it takes 12 years and a detective with dogged determination.