Inmates Arturo Campos-Zamora and Christopher Salazar were discovered missing from a satellite camp adjacent to FCI Three Rivers in Three Rivers, Texas just before 2:30 a.m., according to the Federal Bureau of Prisons.
Campos-Zamora, 57, is described as a "White male" with black hair, brown eyes, 5’7", weighing approximately 152 lbs. Salazar, 27, is described as a "White male" with brown hair, brown eyes, just under 6 feet, weighing approximately 260 lbs.
Both men were sentenced in the Western District of Texas and were serving time for conspiracy with intent to distribute methamphetamine: Campos-Zamora for two and a half years; Salazar for two years.
FCI Three Rivers houses 176 male offenders. The satellite camp from which Campos-Zamora and Salazar escaped is a minimum-security facility.
Fox News has reached out to the Federal Bureau of Prisons seeking more information on the suspects.
Anyone with information on the escapees is urged to contact the United States Marshals Service at 361-888-3154.
Fox News' David Spunt contributed to this report.