Abdullatif Aldosary did not speak or enter a plea
He is accused of setting an explosion that rocked the Social Security Administration in Casa Grande.
During his first court appearance, Abdullatif Aldosary did not speak or enter a plea.
Federal investigators say they have searched his home in Coolidge. They are keeping tight lipped about their probe, especially the motive.
Neighbors say Aldosary has a history of threats.
The blast caused only minor damage. No one was hurt.