On 9 August 2024, at approximately 2309 hours local time, Streetsboro Police Department officers responded to a park in Streetsboro after a nearby resident heard an explosion and reported hearing similar explosions on three other occasions. Police officers discovered the remains of several plastic containers and an intact plastic jug filled with an unknown liquid in the parking lot. Initial evaluations by investigators determined that the devices were chemical overpressure devices described as “Drano bombs.” Two additional devices that had not yet functioned were also found.

On 15 August 2024, at approximately 1343 hours local time, a man was seen on camera walking up to an SUV parked at a U.S. Post Office in the 17300 block of Harper Avenue in Detroit, breaking the window, and placing an explosive device inside the vehicle. The suspect functioned the device and was thrown against an adjacent vehicle by the resulting explosion. The suspect fled the scene and was seen in camera footage as having sustained visible injuries. The explosion ignited a fire that burned four vehicles and damaged six.

On the evening of 16 August 2024, Adair County police officers discovered pyrotechnics with metal projectiles attached to them, drug paraphernalia, illegal firearms, and a hit list targeting local law enforcement officers while searching a home in the 500 block of South Harrison Street in Stuart. The search followed several reports of an unidentified suspect launching explosive devices, described as “hard metal projectiles” attached to pyrotechnics, at a home, causing considerable damage.

On 11 August 2024, at approximately 0129 hours local time, Merced Police Department (MPD) officers responded to a reported explosion in the 700 block of Sunol Court but could not locate the site of the explosion. After examining video evidence, officers identified the site, as well as the Sacramento residence of a 24-year-old male suspect. MPD Bomb Squad technicians responded to the residence and found additional evidence on the suspect before arresting him. No further device-related details were provided. 

On 11 August 2024, two suspects shattered a window and threw an unspecified explosive device into a restaurant in Eislingen. The device functioned, injuring two and causing an estimated 50,000 euros worth of damage to the property. Local authorities, with assistance from a helicopter unit, located and arrested the two suspects. The Göppingen Criminal Investigation Department and the Explosives and Incendiary Devices unit of the Stuttgart State Criminal Police Office are leading the investigation.