"We were just investigating a possible warrant. If he was arrested, we would have cuffed him," Stephens told the Amarillo Globe-News.
The department said Rojas fled out of a rear door, prompting the manhunt. A spokeswoman for the Amarillo Independent School District said three schools were locked down for about 90 minutes during the search.
Authorities said a tip led officers to a garage where Rojas was hiding.
He was being held Tuesday night at the Randall County jail. A jailer told The Associated Press that Rojas was a fugitive from Colorado who had violated his parole. The jailer said Rojas would likely be arraigned Wednesday.
"There may be an evading arrest pending," Stephens said.
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