On 21 May 2024, Austin Police Department officers responded to a gas station in southeast Austin after a 35-year-old man brandished a firearm at employees. A SWAT team was deployed, and upon police attempts to lure the suspect away, he began pouring lighter fluid into a container with a rag to create an improvised incendiary device (IID) described as a Molotov cocktail. According to police, the potential for the device to be used to injure or kill employees prompted an officer to shoot the suspect, who later died at the hospital.

On 10 June 2024, at approximately 1140 hours local time, Hightstown Police Department (HPD) officers responded to an apartment complex rental office on Westerlea Avenue for a woman suffering from severe stomach pain. At the scene, officers determined that the 39-year-old woman had suffered injuries when an inert training grenade functioned. The woman was transported to a hospital to be treated for non-life-threatening injuries. The New Jersey State Police Bomb Squad and Hightstown Fire Department responded.

On 1 June 2024, at approximately 0545 hours local time, fire crews responded to a home on the 6000 Block of Buckingham Court in Norcross for a reported fire. The home was severely damaged by the fire, which displaced a family of four and seriously injured one man. At the scene, Gwinnett County Fire Investigators discovered improvised incendiary devices (IIDs), described as gasoline-filled plastic bags and bottles with napkins. That same day, at approximately 0604 hours, fire crews responded to another fire approximately 3 miles away on the 1300 block of Turners Ridge Drive in Norcross.

On 8 June 2024, at approximately 2030 hours local time, a group of cyclists on electric bikes (E-bikes) functioned an illegal pyrotechnic on a beach near a lifeguard stand in Hermosa Beach. The cyclists rode away from the area and functioned another pyrotechnic on Pier Avenue before fleeing the scene. The explosion injured several bystanders, and the window of a nearby restaurant was hit as well. The Hermosa Beach Police Department arrested one juvenile in connection with the event.
 

On 3 June 2024, at approximately 1630 hours local time, deputies from the Rancho Cucamonga Police Department responded to reports of a suspicious device near the roadway on the 9300 block of Lomita Drive. The San Bernardino County Sheriff’s Arson/Bomb Detail was called to assist with handling the confirmed explosive device, which they rendered safe and removed. Authorities connected a 52-year-old felon to the device, prompting a search of his house. During the search, authorities discovered explosive precursor chemicals (EPCs) and other materials consistent with making explosive devices.