Prison director is among 16 employees arrested after the escape . The prison was built in the 1970s and has a capacity of about 1,200 inmates. `` In the past six years , more than 1,000 inmates have escaped from state prisons . Police set up blockades on roads leading to the United States . President : More than 1,000 inmates flee from state prisons in six years .
Prison director is among 16 employees arrested after the escape . The prison was built in the 1970s and has a capacity of about 1,200 inmates. Police set up blockades on roads leading to the United States . President : More than 1,000 inmates flee from state prisons in six years .