In Season 5, Hank has been piecing together Gustavo Fring's criminal empire with an intricate display of photos, evidence and other clues. The question at hand: Who is Heisenberg? Of course, Breaking Bad fans already know what Hank is beginning to realize -- that his man is much closer to home. Below is a list of the most-viewed items from the Interactive Evidence Board on AMCtv.com as well as some of Hank's case notes on each.

1. Gustavo Fring
- Chilean National
- Co-Owner of Los Pollos Hermanos
- Deceased (Casa Tranquila explosion)

2. Ron Forenall
- Foreman at Madrigal's chemical shipping hub, Houston
- Arranged shipments to Duane Chow's chemical depot
- In custody

3. Mike Ehrmantraut
- Head of Corporate Security for Los Pollos Hermanos
- Private Investigator and former Philadelphia P.D. officer
- Offshore account for 2 million dollars held in his granddaughter's name, set up by Gustavo Fring. No activity in the account

4. Gale Boetticher
- Probable chemist for Fring organization
- Education paid for by Gus Fring
- Murder still unsolved (Click here to examine the Gale Boetticher Interactive Case File)

5. Unsub Bystander
- Boetticher's suspected killer
- Reward given for information leading to whereabouts.

6. Peter Schuler
- Colleague of Gus Fring's
- Probable contact point between Madrigal and Fring operation
- Deceased (suicide)

7. Superlab Unsub #1 & #2
- Possible methamphetamine cooks for the Fring organization
- Deceased, remains unidentifiable.

8. Tyrus Kitt
- Member of Los Pollos Hermanos security staff
- Killed with Fring at Casa Tranquila
- Unknown connection with Salamanca

9. Golden Moth Chemical
- Chemical supplier for Gus Fring's organization
- Run by Duane Chow

10. Eladio Vuente
- Leader of a Mexican drug cartel
- Recently murdered by poison along with his Capos
- Suspected connection to Fring operation, possibly related to recent violence in New Mexico

Want more info? Click here to access the DEA Interactive Evidence Board.