Eric Gaillard/Reuters
  • During Bastille Day celebrations in 2016, a terrorist drove a truck into the gathered crowds in Nice, France, resulting in the deaths of 86 people. The driver, Mohamed Lahouaiej-Bouhlel, was a Tunisian living in France and was killed by police following the attack. ISIS claimed responsibility and then French President François Hollande ordered airstrikes in retaliation on ISIS militant locations in both Syria and Iraq. <br><br>French police forces and forensic officers investigate a truck that ran into a crowd in Nice, France, on July 14, 2016.
    Eric Gaillard/Reuters
  • Police shine a light into the cab as they approach the driver's cab of a truck, in Nice, France, July 14, 2016.
    Nader El Shafei via AP Photo
  • Police officers and rescue workers arrive at the scene of an attack, July 14, 2016, after a van plowed into a crowd leaving a fireworks display in the French Riviera town of Nice. The mayor of the French city urged residents to stay indoors after news of the attack spread.
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  • Rescue workers help an injured woman get into an ambulance on July 15, 2016, after a truck drove into a crowd, killing scores and injuring at least 50.
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  • A man holds a child after a truck plowed through Bastille Day revelers in the French resort city of Nice, France, July 14, 2016.
    Sasha Goldsmith via AP Photo
  • A body is seen on the ground in Nice, France, July 15, 2016, after a truck ran into a crowd celebrating the Bastille Day national holiday.
    Eric Gaillard/Reuters
  • An emergency team assists wounded people as they evacuate from the scene where a truck crashed into the crowd during the Bastille Day celebrations in Nice, France, July 14, 2016.
    Olivier Anrigo/EPA
  • People cross the street with their hands on their heads as a French soldier secures the area, July 15, 2016, in Nice, France.
    Jean-Pierre Amet/Reuters
  • People who attended the Bastille Day fireworks on the Promenade des Anglais keep their hands in the air as they pass security and leave the scene after the attack in Nice, France on July 14, 2016.
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  • The body of a victim on the ground on the Promenade des Anglais after a truck drove through the crowd killing at least 84 people and injuring many others in a terrorist attack during Bastille Day celebrations, July 14, 2016.
    Norbert Scanella/Panoramic/Starface/Polaris
  • Broken pieces of a child's toy remain after a truck ran into a crowd celebrating Bastille Day on the Promenade des Anglais in Nice, France, July 14, 2016.
    Tarubi Wahid Mosta/REUTERS
  • Police inspect the scene July 15, 2016, where a truck crashed into the crowd during the Bastille Day celebrations the night before in Nice, France.
    Alberto Estevez/EPA
  • A forensic expert removes a body from the Promenade des Anglais seafront in Nice, France on July 15, 2016.
    Boris Horvat/AFP/Getty Images
  • Police forensics technicians investigate the scene of a terror attack on the Promenade des Anglais July 15, 2016, in Nice, France.
    Patrick Aventurier/Getty Images
  • Crime scene investigators work on the Promenade des Anglais, July 15, 2016, after a truck crashed into the crowd during the Bastille Day celebrations the night before killing at least 84 people in Nice, France.
    Olivier Anrigo/EPA
  • Police forensics technicians inside the truck at the scene of an attack on the Promenade des Anglais July 15, 2016, in Nice, France.
    Patrick Aventurier/Getty Images
  • Police forensics technicians looking for evidence near a truck on the Promenade des Anglais seafront in the French Riviera town of Nice, July 15, 2016.
    Valery Hache/AFP/Getty Images
  • French police officers look for evidence in an apartment following the attack, July 15, 2016, in Nice, France.
    Catherine Marciano/AFP/Getty Images
  • French police officers stand guard July 15, 2016, at the entrance of a building in Nice, southern France, where the man who drove a truck into a crowd watching a fireworks display, the day before, reportedly lived.
    Christine Poujoulat/AFP/Getty Images
  • People are searched by police at the scene of a terror attack on the Promenade des Anglais on July 15, 2016 in Nice, France.
    Patrick Aventurier/Getty Images
  • A woman reacts as she places flowers in front of the memorial set on the Promenade des Anglais, July 15, 2016, where the truck crashed into the crowd during the Bastille Day celebrations in Nice, France.
    Ian Langsdon/EPA
  • A woman sits under French flags lowered at half-mast in Nice, France on July 15, 2016, following the deadly Bastille Day attacks.
    Guseppe Cacace/AFP/Getty Images
  • A police officer stands guard as the truck, that was driven by a man through a crowd celebrating Bastille Day, is towed away, July 15, 2016 in Nice, France.
    Boris Horvat/AFP/Getty Images
  • French Residency ID card of Mohamed Lahouaiej Bouhlel is seen here. The 31-year-old man was identified as the truck driver who killed more than 80 people in what French officials called a “terrorist attack” in Nice, France.
    News Pictures/Polaris
  • A tribute is laid on a bench near where a person was killed on the Promenade des Anglais on July 17, 2016 in Nice, France.
    David Ramos/Getty Images
  • People gather at a makeshift memorial to honor the victims of an attack near the area where a truck mowed through revelers on the famed Promenade des Anglais in Nice, southern France, July 17, 2016.
    Luca Bruno/AP Photo
  • A painting with the colors of the French flag covers the asphalt near a makeshift memorial to honor the victims, three days after a truck mowed through revelers, on the famed Promenade des Anglais in Nice, southern France, July 17, 2016.
    Francois Mori/AP Photo
  • French nationals light candles at the foot of the replica of the Eiffel Tower to honor the victims of the truck attack on Bastille Day in Nice, France, in Makati city, east of Manila, Philippines, July 18, 2016.
    Bullit Marquez/AP Photo
  • A view shows the crowd gathering near a makeshift memorial on the Promenade des Anglais during a minute of silence on the third day of national mourning to pay tribute to victims of the truck attack along the Promenade des Anglais on Bastille Day that killed scores and injured as many in Nice, France, July 18, 2016.
    Eric Gaillard/Reuters
  • Relatives of 4 year old Kylan Mejri who was killed in Thursday's truck attack, cry at the ar-Rahma mosque in Nice, France, July 19, 2016.
    Francois Mori/AP Photo
  • Tahar, left, the father of Kylan Mejri, with relatives carries the coffin of his 4-year-old son at the ar-Rahma mosque in Nice, France. July 19, 2016, killed in Thursday's truck attack.
    Francois Mori/AP Photo
  • French soldiers patrol the Promenade des Anglais in the French riviera city of Nice, France, July 19, 2016, after the deadly attack on Bastille day.
    Olivier Anrigo/EPA
  • A woman stands by the new makeshift memorial in tribute to the victims of the deadly Bastille Day attack at the Promenade des Anglais on July 19, 2016 in Nice, after it was moved from the pavement of the road to the seafront so that the street can be re-opened.
    Valery Hache/AFP/Getty Images