Season 5

1. The Trailside Killer: Part One

2. The Trailside Killer: Part Two

3. The Slave Master: Part One

4. The Slave Master: Part Two

5. The Twin: Part One

6. The Twin: Part Two

7. The Times Square Killer: Part 1

8. The Times Square Killer: Part 2

9. The Black Widow: Part 1

10. The Black Widow: Part 2

11. The Happy Face Killer: Part 1

12. The Happy Face Killer: Part 2