Who is Hector Zuniga from Vineland and what is their importance?

Hector Zuniga is a federal drug enforcement agent who has become a kind of friend to Zoyd Wheeler over the years. Hector is addicted to television and has a movie deal in the works to tell the story of Frenesi Gates and Brock Vond. He is motivated by his promise that Frenesi Gates will direct the film, and works to reunite her with Prairie to give the story a happy ending.