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Officials describe failed attack on Boulder City substation; investigators cite lone attacker's online radicalization and declining mental health
Summary
Lieutenant Cody Thompson briefed the commission on Feb. 19 attack at a Boulder City electrical substation. Investigators recovered firearms, explosive precursors and digital evidence of extremist planning; they say the lone attacker likely lacked the skill to complete a larger explosives attack and that no ongoing threat to the public was identified.
Lieutenant Cody Thompson of the Southern Nevada Counterterrorism Section briefed the commission on a Feb. 19, 2026 attack at an electrical substation near Boulder City, explaining that responding officers found a deceased male inside a vehicle at the site and later recovered weapons, explosive precursors and extensive digital evidence of planning and extremist ideology.
Thompson identified the subject as 23-year-old Dawson Maloney and said Maloney had traveled from New York and stayed in Boulder City before carrying out the attack. Investigators located multiple firearms, body armor, large quantities of ammunition and components that appeared consistent with improvised explosive device (IED) precursors'including thermite and ammonium nitrate'at Maloney's vehicle and hotel room. Thompson said evidence suggested the suspect had been researching critical substations and had extensive exposure to radical online literature.
Investigators emphasized that, while Maloney had precursors and planning documents, he appeared to lack the technical expertise to build an effective explosive device and likely did not complete a larger attack. "Maloney seemed to have an undiagnosed declining mental health condition coupled with his apparent online radicalization," Thompson told commissioners. He said Maloney had created a number of end-of-life videos and digital documents indicating violent intent, but that the individual's declining stability likely limited his ability to carry out a more sophisticated operation.
The briefing outlined multiagency coordination among the FBI, Boulder City Police Department, Henderson PD, Las Vegas Metro and federal partners and said evidence collection included digital forensics, device recovery, and analysis of deleted and recovered files. Thompson said the suspect had come within about 30 yards of critical equipment at the substation before the vehicle stopped and the incident concluded with the suspect's death; investigators said they found no evidence of a wider or ongoing threat to the public.
Thompson said law-enforcement and energy partners will meet to discuss hardening critical infrastructure and target-hardening measures. The commission did not vote on immediate policy changes; members praised the rapid multiagency response and asked follow-up questions about whether the suspect had identified multiple targets and how radicalization pathways were identified.
