Dateline: Secrets Uncovered

Investigating whether a toddler left in the car for seven hours while his dad was at work was a heartbreaking accident or murder.

Melissa Lewis disappears, leaving signs of a struggle and a strange orange mist behind her; her boss goes missing and leaves behind an even bigger mess, and a missing fortune.

This part of the Lone Star State is largely sheltered from hurricanes, but, as it turned out, not from one unnatural disaster.

After a young mom is found dead on the side of a country road, 40 miles from her Knoxville home, investigators scramble to figure out how she ended up there.

At first, the fatal fire that swept through the home of a young couple looked like an accident then investigators took a closer look and what they discovered about the fire, and this couple, left them burning with suspicion.

A 4-year-old girl abducted and raised by her kidnapper spends decades trying to get back home, and she finally accomplishes her goal; as it turns out, that ending was only the beginning.

After an attack on a respected U.S. Army major in the middle of the night, police launch an investigation that reveals wild secrets -- secrets that might hold the key to murder.

A hockey player finds his wife murdered in their home; his daughter says she saw a robber, but the killer's identity turns out to be far more complicated; police have their suspects but her family members have questions of their own.

After Christina, the twenty-three-year-old fashionista, goes out to a high-end shopping mall on a Friday night and vanishes, police question everyone; they know someone is lying, but not who.

A double murder reveals a double life; the victims are a well-respected couple whose son plays poker for a living; his alibi is his ace in the hole, but when detectives find key evidence, they think they are holding all the cards.