A Northwest Airlines commander leads prison attack in Pakistan , freeing 250 inmates . Peter Bergen : In the aftermath of the 2011 breach , Afghan officials discovered an intricate network of tunnels under the jail , equipped with electrical and ventilation systems . Jihadists have conducted jailbreaks in Middle East and Middle East for three years ago . Peter Bergen : Huge numbers are freed to join militants ' ranks and score Bergen . U.S. needs to help make prisons vulnerable to attacks much more secure , he says .
A Northwest Airlines commander leads prison attack in Pakistan , freeing 250 inmates . Peter Bergen : Jihadists have conducted jailbreaks in Middle East and Middle East for three years ago . Peter Bergen : Huge numbers are freed to join militants ' ranks and score Bergen . U.S. needs to help make prisons vulnerable to attacks much more secure , he says .