West Allis: On 5 January 2026, a 48-year-old male suspect was arrested following an investigation by West Allis Police. The investigation started on 30 December 2025 after police received a tip claiming the suspect was constructing pipe bombs while working at a landscaping business in West Allis. The suspect had previously assembled and detonated an explosive device and had provided the tipster with an explosive device. During a search of the business, authorities found all necessary components, materials and tools needed to construct multiple improvised explosive devices.

Rosemead: On 14 January 2026, at approximately 1230 local time, the Los Angeles County Sheriff's Department responded to a call about the discovery of possible explosives at a vacant property located in the 7500 block of Emerson Place. The property is located near the Ralph Waldo Emerson Elementary School, which was placed on lockdown until students were released around 1500 local time. Los Angeles Sheriff's Department Arson and Explosives Detail was dispatched to identify and safely remove the possible explosives.

Willcox: On 6 January 2026, at 1730 local time, multiple public safety agencies responded to a report of a suspected pipe bomb in the 500 block of West Patte Road. Willcox Police Department, Willcox Fire Department, Cochise County Sheriff’s Office and Healthcare Innovations EMS were dispatched to the scene. Cochise County Sheriff’s Office Explosives Ordnance Technicians initially assessed the device and determined it was likely a live explosive, prompting a request for the Arizona Department of Public Safety (AZ DPS) Explosive Ordnance Disposal (EOD) team.

Falfurrias: On 2 January 2026, Falfurrias Police, Corpus Christi Police Department bomb squad, Brooks County Sheriff’s Office, and members of the Bureau of Alcohol, Tobacco, Firearms, and Explosives responded to a building near Highway 285 East and Best Street following a reported pipe bomb explosion. Police reported an unknown suspect detonated two pipe bombs in a funeral home under construction, causing minor damage. The incident is under investigation.

Jasper: On 2 January 2026, at approximately 1500 local time, the Walker County Sheriff’s Office arrested a male suspect for unlawful manufacturing of a destructive device and two counts of chemical endangerment of a child. This occurred while conducting a missing person’s investigation into the suspect’s child, who was later found deceased. During the search of the suspect’s property, precursor materials for explosive manufacturing and evidence of explosive detonations were discovered.