On 6 August 2024, at approximately 0436 hours local time, an unidentified suspect emplaced an improvised incendiary device (IID) in a vehicle parked outside a Sumner home, which ignited as the suspect fled the scene. The vehicle sustained major damage to both the interior and exterior. The owner witnessed the vehicle engulfed in smoke before it exploded and attempted to extinguish the fire as Sumner Police Department officers and East Pierce Fire & Rescue crews arrived to prevent damage to the home. The resident believes that the attack was targeted toward his children.

On 20 July 2024, a man entered a unisex bathroom at a car wash on Bandera Road in Helotes and emplaced pyrotechnics beneath a toilet seat, which functioned when a woman sat on the seat. On 26 July, two additional victims reported similar scenarios at a car wash in San Antonio, near Highway 281. All three victims sustained minor injuries. The San Antonio Police Department responded, and officers discovered the remains of small commercial pyrotechnics designed to function when pressure is applied.

On 5 August 2024, at approximately 0930 hours local time, Portland Police Bureau (PPB) officers responded to the 1900 block of NE 141st Avenue for reports of a loud explosion and determined an explosive device had functioned in a vehicle but the driver had been able to drive away. The driver and the vehicle returned several hours later, at approximately 1230 hours, and a second explosive device was functioned, leading PPB officers to return to the scene. The Metro Explosive Disposal Unit, FBI, and ATF responded to assist and cleared the vehicle and a suspicious bag.

On 3 August 2024, Elko Police Department officers and bomb squad technicians responded to the residence of a mining company employee on South 11th Street and discovered commercial explosives, including a non-electric delay detonator, four boosters, and detonating cord. The employee had reportedly taken the materials from a mining site. The 33-year-old man was arrested on charges of unlawful possessing, manufacturing, or disposing of an explosive or firearm device and unlawful possessing an explosive or firearm device in a public or private area. The ATF assisted in the investigation.

On 7 August 2024, at approximately 1150 hours local time, Chicago Police Department Bomb Squad technicians responded to the 4700 block of South Marshfield Avenue for reports of a suspicious object. Technicians examined the object, determined it was a viable explosive described as a grenade, and removed it from the scene. The investigation is ongoing.