A man rides a bicycle as he holds a French national flag on the Promenade des Anglais in Nice, southern France, Monday, July 18, 2016. France is holding a national moment of silence for 84 people killed by a truck rampage in Nice, and thousands of people are massed on the waterfront promenade where Bastille Day celebrations became a killing field. (AP Photo/Claude Paris)

French authorities paint complex picture of attacker

Authorities investigating the truck driver who killed 84 people in a Bastille Day attack painted a complex picture Monday of a man who did n…

In this aerial photo, investigators work part of the shooting scene in Baton Rouge, La., where law enforcement officers were injured and killed, Sunday, July 17, 2016. At least three Baton Rouge law enforcement officers investigating a report of a man with an assault rifle were killed Sunday, less than two weeks after a black man was fatally shot by police here in a confrontation that sparked nightly protests that reverberated nationwide. A few other officers were wounded, one critically. (AP Photo/Gerald Herbert)

Former Marine kills 3 Baton Rouge officers, 3 others wounded

A former Marine dressed in black and carrying extra ammunition shot and killed three Baton Rouge law enforcement officers, less than two wee…