1. The Man in the Mirror

To track down an elusive killer, digital forensic investigators hunt for hidden data on cell phones.

2. A Hole in Time

Digital forensic technology helps investigators solve a missing persons case involving the father of a six-year-old daughter.

3. Digital Crumbs

Digital technology helps investigators of a Mississippi man's murder to recover a snapshot of a killer.

4. The Dog Knows

Investigators follow a digital trail to track down the cold-blooded killer of Athena Valentiny in her California home.

5. Out of Chaos

Detectives must decode digital evidence to unmask 22-year-old Maurice Skeen's killer.

6. Monsters are Real

Digital evidence reveals the secrets of a young Ohio mother's monstrous killer.

7. The Vest

Detectives hope an Albany, New York, woman’s digital heart monitor will pinpoint her killer.

8. Random Data

Digital evidence provides the key to convict the murderers of a 12-year-old girl at a family party.