Vin was a Human male that lived during the 20th and 21st centuries, who resided in San Francisco on Earth during the 2020s. Vin was a District Security police officer in Sanctuary District A in that city in 2024 when he was one of several members of staff taken hostage and held at the Processing Center during the Bell Riots.

Vin was an irascible man who believed that residents of the Districts were there through failings of their own, and not society. His opinion gradually changed during the course of the riots when several residents were able to tell their stories and Gabriel Bell ultimately saved his life by preventing authorities from shooting him during their attempt to retake the Center.

Vin was an avid baseball fan and argued that the New York Yankees of 1999 were the best baseball team in history. (DS9: "Past Tense, Part I", "Past Tense, Part II")