Some of the youths arrested from Murshidabad District of West Bengal for their suspected connection with the Al Qaeda were learning to prepare Improvised Explosive Devices (IEDs) by taking lessons from their handlers, National Investigation Agency (NIA) officials have claimed, telegraphindia.com reports on September 22. The purported bomb-making lessons would be imparted through the Internet by “handlers” who had been in touch with the youths for the past four months.