Investigators arrested Calvert weeks after an explosive device went off around 3:45 a.m. on Feb. 24 outside Marshall's office in Montgomery ... as the device that was detonated days earlier.

An explosive device was detonated outside the office of Alabama Attorney General Steve Marshall in Montgomery ... counsel from the federal defender’s office.

According to the plea agreement and other court documents, Calvert in the predawn hours of Feb. 24 detonated an explosive device outside of the AG Steve Marshall’s office in downtown Montgomery.

The man convicted of detonating an explosive device outside of Alabama Attorney General Steve Marshall's office last year ... placed by the same person who detonated the explosive device.

(AP) — An Alabama man who detonated a homemade explosive device ... and then blowing it up outside Republican Attorney General Steve Marshall’s office in the early morning hours of Saturday ...

An Irondale man was taken into custody Wednesday on a federal indictment accusing him of detonating an explosive ... Street outside Alabama Attorney General Steve Marshall’s office.