On Wednesday morning, schools in Baird were locked down while authorities apprehended a man who fled from a traffic stop .
Callahan county deputies say Marvin Lopez Rivera was in this country illegally.
They say he fled after a traffic stop near 7th and Market, that prompted the school lockdown.
He's being held on an I.N.S. detainer. He's also charged with evading arrest, and he's facing a drug charge. Authorities believe he had an illegal version of the synthetic marijuana, K2, on him.
Classes went back to normal in Baird around 10 Wednesday morning.