American Murder: The Family Next Door (Netflix)

Shanann Watts, 34, who was 15 weeks pregnant with a son, and her two young daughters, four-year-old Bella and three-year-old Celeste went missing in Frederick, Colorado. As shocking details emerged, their story made headlines worldwide. Told entirely through archival footage that includes social media posts, law enforcement recordings, text messages and never-before-seen home videos, director Jenny Popplewell pieces together an immersive examination of the police investigation.