The Lubbock Sheriff's Office says 29-year-old Joseph Gonzales of Slaton was released due to human error.
Sheriff Gutierrez says three men were on the cell block named Joseph Gonzales. A Joe Gonzales was supposed to be released, but sheriff's deputies let the wrong one go.
Joseph Gonzales was being held for aggravated assault of a peace officer and other charges.
Gutierrez says the situation is very serious, and all law enforcement agencies are conducting an intense search for Gonzales.
Anyone with information is asked to call 775-1601.