"One of the Attackers, 19-Year-Old Adel Kermiche, Was a Local Man Who Was Known to Intelligence Services Ater His Failed Bids to Reach Syria to Wage Jihad"

They should have let him go. If they had, there's a good chance he would now be dead--or as good as dead--over in Syria, and the French priest he slaughtered (while wearing the electronic ankle bracelet that was somehow supposed to render him non-threatening) would still be alive.