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.

The Department of Justice is investigating the Washington, DC, shooting that killed two Israeli Embassy staffers as an act of terrorism and a hate crime, as details continue to emerge about the violent act,

Two Israeli embassy staffers were killed in a shooting outside a Jewish museum in Washington, D.C. on Wednesday evening, with the suspect, Elias Rodriguez, charged with two counts of first degree murder and other criminal counts Thursday afternoon.

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.

The Capital Jewish Museum where two Israeli embassy employees ... this week that it had just received more than $30,000 from the city to help offset security costs due to safety concerns ...

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.

Yaron Lischinsky and Sarah Lynn Milgrim, who worked for the Israeli Embassy, were identified as the victims of a shooting outside the Capital Jewish Museum in Washington, D.C.

U.S. authorities called the shooting outside the Capital Jewish Museum in Washington, D.C., an "act of terror" and identified the suspect as Elias Rodriguez, 31, of Chicago.