Q: The DEA raided the Mexican Cartel's warehouse because they had their drug business discovered.
Who they is?
A: Mexican Cartel

Q: Herald Simmons has tremendous skill in rousing up the audience for Knight Keller, so he recruited him solely to get the audience riled up for him.
Who he is?
A: Knight Keller

Q: Knight Commander Roddick was plagued by a vision of his dead son, so he became crazy from being reminded constantly.
Who he is?
A:
Knight Commander Roddick