FILE &#8211; In this Oct. 8, 2016 file photo, Bangladesh&#8217;s Special Weapons and Tactics (SWAT) policemen return after a raid in Gazipur, Bangladesh. In the three months since a band of youths tortured and killed 20 hostages in a Dhaka restaurant, intelligence officials say they&#8217;re rooting out radicals and restoring security to the streets. Police raids that have killed about 40 suspected Islamist militants; hundreds of suspects detained in police dragnets; and new information on how the attack was financed by local sympathizers. (AP Photo/File)