A Taliban commander leads prison attack in Pakistan , freeing 250 prisoners . Peter Bergen : Jihadists have led jailbreaks in Middle East and South Asia for years . Bergen : Huge numbers are likely to join terrorists ' ranks and score propaganda hits . A 2006 prison break in the Yemeni capital , Sanaa , led to the creation of al Qaeda in the Arabian Peninsula , one of al Qaeda 's most virulent affiliates , the one that recruited the `` underwear bomber '' who nearly brought down Northwest Airlines Flight 253 over Detroit on Christmas Day 2009 . U.S. needs to help make prisons vulnerable to attacks much more secure , he says .
A Taliban commander leads prison attack in Pakistan , freeing 250 prisoners . Peter Bergen : Jihadists have led jailbreaks in Middle East and South Asia for years . Bergen : Huge numbers are likely to join terrorists ' ranks and score propaganda hits . U.S. needs to help make prisons vulnerable to attacks much more secure , he says .