In the years before he was accused of killing two Israeli Embassy employees, the suspect in the fatal shootings was an active participant in Chicago’s left-wing protest scene, speaking out against police violence and a proposed Amazon headquarters.

Two staff members at the Israeli Embassy were shot and killed Wednesday outside the Capital Jewish Museum by an assailant who shouted “free, free Palestine” after he was arrested. The attack outside an event at the Jewish Museum in Washington drew widespread condemnation,