John Dunn was arrested on March 1st.
Brewster County Sheriff's deputies say that they pulled over Dunn's vehicle for a traffic stop around 11:50 PM on March 1st..
Deputies reportedly found 1/4 pound of hydroponic marijuana in a plastic bag in the vehicle.
Hydroponic marijuana reportedly has a higher T.H.C. content than other grades of marijuana.
Deputies say that Dunn was traveling from Austin to Alpine to visit a relative at Sul Ross State University when he was pulled over.
As of Monday evening, Dunn was held in the Brewster County Jail.