Video: Season 4
Find out from Gwen the importance of weighing evidence.
Explore More Video: Web Exclusives
- Paper Trail Tukufu talks about how to follow a paper trail.
- Devil Dog Dawson Watch the full clip of the silent film "Devil Dog Dawson".
- Collecting Get some tips from Wes about starting a collection.
- Buildings Gwen gives tips on dating a house.
- Behind the Scenes - Atlantique City Go behind the scenes with Elyse at Atlantique City.
- Testing Objects and Finding Experts Wes on how important it is to find the right experts.