The comments by Mr. Miller, the influential White House deputy chief of staff, came after days of blaming Alex Pretti, who was fatally shot by federal agents.
The alleged gunmen in the shooting, Sajid Akram, 50 and his son, Naveed Akram, 24, were from Bonnyrigg, a diverse, multilingual suburb miles from Sydney’s Bondi Beach.
A pedestrian overpass spanning a main road on Friday in Bonnyrigg, a multicultural suburb of Sydney.