This photo provided by Jess Davis shows the Copeland family, from left, Sean, Maegan, Brodie, Austin and Kim. Davis, a family friend, said Sean Copeland and his son Brodie were killed Thursday, July 14, 2016 when a Frenchman of Tunisian descent drove a truck through crowds celebrating Bastille Day along Nice's beachfront, killing scores of people. (Courtesy of Jess Davis via AP)

The Nice victims: American student was taking tech course

The terror attack on a joyous Bastille Day crowd waiting to watch fireworks in Nice, France, indiscriminately killed dozens of people, inclu…