By Karen Freifeld and Julia Harte (Reuters) -When Adam Zimmerman chaperoned his son's fourth-grade class field trip to the natural history museum in Washington on Wednesday, he didn't give a second thought to security.

Suspect Elias Rodriguez, 31, allegedly shouted “Free, free Palestine” after the Wednesday night's deadly shooting at the Capital Jewish Museum in Washington D.C.

Investigators are still putting together a picture of what the suspect did between landing in Washington, DC, and the fatal shootings at the Capital Jewish Museum last night, an FBI official said ...

A solemn vigil was held outside the White House to remember Sarah Milgrim and Yaron Lischinsky, the young couple who worked together at the Israeli embassy in Washington and were fatally shot after an event at the Capital Jewish Museum.

Identifying who will go from anger to violence is like "trying to find which piece of hay is going to become a needle," one expert said.

FBI agents left a property in Chicago's Albany Park neighborhood that is connected to the suspect in a deadly shooting outside the Capital Jewish Museum in Washington D.C. with boxes of evidence in hand Thursday afternoon.

The man and the woman were shot dead outside the Capital Jewish Museum near Penn Quarter, Washington DC, and police have warned members of the public to avoid the area

Investigators have seized writings that they believe belong to the suspect as they search for a motive in the fatal attack.