ISIS militants aren't operating 'alone' anymore — and there are no easy answers to defeating an online community of terrorists Once again, the world has awoken to news of another terrible terrorist attack — this time in Manchester, England.

Once again, the world has awoken to news of another terrible terrorist attack — this time in Manchester, England. ISIS militants aren't operating 'alone' anymore — and there are no easy answers to defeating an online community of terrorists By communicating with fellow supporters online and sharing a handbook of bomb-making tips, the ISIS builds a virtual community of hundreds or thousands of sympathizers and recruits...