FBI and Michigan State Police are investigating a suspected ricin exposure at a Hastings, Michigan apartment complex that prompted building evacuation and hospital isolation of a patient whose preliminary test returned positive for the toxin.

Chad Hickman, 39, killed five people across three Missaukee County locations on August 14 before dying from a self-inflicted gunshot wound in a wooded area near Whitlock Lake.

DOJ indicted eight individuals for a coordinated year-long campaign of chemical attacks, vandalism, and threats against University of Michigan officials and Jewish institutions intended to force divestment from Israel.

The FBI's terrorism designation of the West Bloomfield synagogue ramming as Hezbollah-inspired marks the first confirmed instance of domestic violence tied to the ongoing US-Iran conflict. The attack template, a US-based actor radicalized by family casualties in Lebanon, represents a scalable threat as the conflict continues.