A Boston man strapped a homemade explosive to his body, called 911, and detonated it when officers arrived in Charlestown on September 22, leaving himself with serious injuries to his chest, neck, and wrist.

A Sand Springs, Oklahoma marijuana extraction facility exploded on August 27, killing two people and damaging 25 businesses, and Ryan Bassham was charged with two counts of first-degree murder as state and federal investigators pursued the case.