Mugshot: Raul Lopez

Raul Lopez, a minimum-custody inmate, was discovered missing on Monday. (June 4, 2012)

An inmate briefly escaped from Deuel Vocational Institution, a state prison in Tracy, early Monday morning. 

Raul Lopez, a minimum-custody inmate, was discovered missing around 2:30 a.m.

The 25-year-old was serving a five year term for second-degree robbery from Los Angeles County.

Lopez was spotted in downtown Tracy and was taken into custody without incident.