Terror wave targeting Europe 'has not reached its peak,' security expert warns
Attack appears to be the work of a lone wolf or local cell, experts say; An EU-wide counter-terror organization is needed, though lone attackers are very difficult to stop.
French police forces and forensic officers stand next to a truck July 15, 2016 that ran into a crowd celebrating the Bastille Day national holiday on the Promenade des Anglais killing at least 60 people in Nice, France, July 14. (photo credit: REUTERS/ERIC GAILLARD)ByYAAKOV LAPPINUpdated: