5 things to know about Brussels attack, suspects

Bottom line, they were known bad guys the 'police' failed to properly track because no one knew how bad they were!

I want to know the terrorist activity of ISIS should Iraq prevail over them. If we take the conventional fight from them, what will the counter with?

Off the top of my head SFC Joe S. Davis Jr., MSM, DSL, we know that the two were killed were birth brothers, all three were radicalized Muslims, they all operated under the radar for far too long; they like the attackers in Paris had simple attack plans; they did not intend to survive the attacks and hoped to die as Jihadists.