Henderson Suspect With Large Weapons Cache Accused In Las Vegas Terror-Related Threat Case
Henderson resident Allison Howlett was arrested Saturday, June 27 after police boxed in an SUV at Sunset Station Casino and seized a large weapons cache tied to mass-shooting threats.[1]
Officers said they found 22 guns and hundreds of rounds in the SUV and later recovered about 30 more firearms, including an M2 .50-caliber machine gun and rifles with M203 grenade launchers, from Howlett's home.[2] Police said Howlett had been sitting on a handgun and could reach a fully automatic, suppressed MP5 in the back seat when officers pulled her from the SUV.[2] Officers blocked the SUV, negotiated by offering water and used a Taser once to take Howlett into custody.[1]
In 2024, authorities recovered an audio recording they attribute to Howlett in which the speaker warned of a future massacre and said "hundreds of people" would die.[2] A June 27 911 call reported a domestic dispute, a stolen vehicle "loaded with firearms," and threats of "suicide by cop" and a possible mass shooting.[1] Those details led LVMPD counterterrorism detectives, the Southern Nevada Counter Terrorism Center and the FBI Joint Terrorism Task Force to expand the probe.[1]
Initial local coverage emphasized the domestic dispute and the large weapons haul recovered in the casino garage and at the home.[3] Later reporting, driven by national outlets, highlighted the earlier 2024 audio and police statements that investigators say show repeated threats to carry out a mass shooting.[2]
Howlett, 36, faces multiple felony counts including assault with a deadly weapon, a terrorism-related threat charge, grand larceny of a vehicle and weapon, resisting arrest and weapons offenses.[4] A judge set bail at $500,000 with high-level electronic monitoring, prohibited weapons possession and no contact with named victims; she is due back for a preliminary hearing on July 15.[4]
The mainstream summary does not mention the significant context surrounding Howlett's arrest, particularly the domestic dispute that prompted the 911 call. This detail is crucial as it highlights the complexity of the situation; Howlett's spouse reportedly called 911 after years of threats, indicating a long-standing issue rather than an isolated incident. Furthermore, while the mainstream coverage emphasizes the weapons cache, it downplays the implications of Howlett's identity and the conflicting reports regarding her biological sex, which have sparked discussions on social media about representation and the framing of the suspect. BlueSky users noted that Howlett is listed as biologically male in jail records, despite media references to her as a woman, raising questions about the accuracy and sensitivity of reporting in such cases.
Additionally, the summary lacks broader statistical context regarding gun violence in Las Vegas. In 2025, the Las Vegas Metropolitan Police Department's Violent Gun Crime Unit made 364 arrests and seized 296 firearms, with early 2026 figures showing 88 arrests and 85 firearms seized across 60 cases. This data underscores the ongoing challenges of gun violence in the region and situates Howlett's case within a larger pattern of violent crime, which is critical for understanding the severity of the threats she allegedly made.[5]
Show source details & analysis (4 sources)
📊 Relevant Data
The Las Vegas Metropolitan Police Department's Violent Gun Crime Unit made 364 arrests and seized 296 firearms in 2025; through early 2026 the unit had made 88 arrests and seized 85 firearms across 60 cases.
In-depth look: Las Vegas Metro Police's Violent Gun Crime Unit — FOX5 Vegas
📌 Key Facts
- A 911 call placed around 9:38 a.m. on Saturday, June 27, 2026 reported a domestic dispute, a stolen vehicle "loaded with firearms," and threats of "suicide by cop" and a possible Las Vegas mass shooting (911 call).
- Henderson police, with help from Sunset Station Casino security, located the SUV in the casino parking garage at about 11:17 a.m. on June 27, boxed it in, negotiated by offering water and used a Taser once to take the driver into custody (Sunset Station Casino security).
- Officers later said the suspect had been sitting on a handgun and had immediate access to a fully automatic, suppressed MP5-style machine gun in the back seat when they pulled her from the Sunset Station casino parking-garage SUV (MP5-style machine gun).
- Detectives recovered 22 firearms and hundreds of rounds from the SUV, and a subsequent search warrant at the suspect's Henderson residence yielded about 30 more firearms — including an M2 .50-caliber machine gun, two Colt AR-style rifles with M203 grenade launchers, seven suppressors — plus thousands of rounds of ammunition (22 firearms).
- Law enforcement said LVMPD counterterrorism detectives, the Southern Nevada Counter Terrorism Center and the FBI Joint Terrorism Task Force (and the FBI Las Vegas Field Office) joined the probe after investigators learned more about the threats and the size of the weapons cache (FBI Joint Terrorism Task Force).
- At a June 30, 2026 press conference police played an audio recording they attribute to the suspect from 2024 in which the speaker warns, "If the FBI doesn't come ... arrest me, there's gonna be a ... massacre ... One day ... hundreds of people [are] going to lose their lives" (audio recording).
- Thirty-six-year-old Allison Howlett faces multiple felony counts — including assault with a deadly weapon in a domestic-violence case, making a threat related to an act of terrorism, grand larceny of a vehicle and a firearm, resisting a public officer with a firearm, and weapons-related charges involving short-barreled rifles, machine guns and silencers — and a judge confirmed half a million dollars in bail with high-level electronic monitoring, no weapons and no contact with named victims; she is being held and is due back for a preliminary hearing on July 15, 2026 (half a million bail).
📰 Source Timeline (4)
Follow how coverage of this story developed over time
- On Saturday, June 27, 2026, Henderson police arrested 36-year-old Allison Howlett in a Sunset Station casino parking-garage SUV after a 911 call from the spouse reporting domestic violence, a stolen vehicle loaded with firearms, and threats of 'suicide by cop' and a Las Vegas mass shooting.
- Henderson officers boxed in the SUV, negotiated by offering water, then pulled Howlett from the vehicle and used a Taser; police later said Howlett had been sitting on a handgun and had immediate access to a fully automatic, suppressed MP5-style machine gun in the back seat.
- Detectives recovered 22 firearms from the SUV, including handguns, rifles, at least one fully automatic weapon, multiple suppressors, high-capacity magazines and hundreds of rounds of ammunition.
- A subsequent search warrant at Howlett's Henderson residence yielded about 30 more firearms, including an M2 .50-caliber machine gun, two Colt AR-style rifles outfitted with M203 grenade launchers, seven suppressors and thousands of rounds of ammunition.
- LVMPD Assistant Sheriff Dori Koren said the Southern Nevada Counter Terrorism Center, the FBI Joint Terrorism Task Force and the FBI Las Vegas Field Office joined the case, and that investigators found evidence of repeated threats to become an active shooter or conduct a mass attack in Las Vegas.
- At a Tuesday, June 30, 2026 press conference, police played an audio recording they attribute to Howlett from 2024 in which the speaker says, 'If the FBI doesn't come ... arrest me, there's gonna be a ... massacre ... One day ... hundreds of people [are] going to lose their lives.'
- On Wednesday, July 1, 2026, a judge confirmed bail for Allison Howlett at $500,000 and ordered high-level electronic monitoring, no weapons, and no contact with any named victims.
- The article details that officers used a distraction to get Howlett out of the vehicle in the Sunset Station Casino parking garage and that she was tased once during the struggle.
- Howlett is specifically charged with multiple felonies including assault with a deadly weapon in a domestic violence case, making a threat related to an act of terrorism, grand larceny of a vehicle and a firearm, resisting a public officer with a firearm, and weapons-related counts involving short-barreled rifles, machine guns and silencers.
- Las Vegas Metropolitan Police said the June 27, 2026 incident began with a domestic-dispute call reporting a stolen vehicle loaded with multiple firearms and expressing concerns about “suicide by cop” and a possible mass shooting.
- Court officials said Howlett is being held in custody and is due back in court for a preliminary hearing on July 15, 2026.
- Article confirms the 911 call occurred around 9:38 a.m. Saturday, June 27, 2026, reporting a domestic dispute, a stolen car 'loaded with firearms,' and threats of 'suicide by cop' and a possible mass shooting.
- Police located the vehicle with help from Sunset Station Casino security and found it in the parking garage at about 11:17 a.m. on June 27, 2026.
- Details of the arrest: officers blocked the car in; Howlett initially refused commands with loud music playing; she was taken into custody after rolling down the window to reach for water, and officers used a Taser once during the struggle.
- The piece specifies that LVMPD counterterrorism detectives and the FBI Joint Terrorism Task Force responded after authorities learned more about the threats and the number of weapons involved.
- It reiterates and time‑anchors the weapons seizures: 22 firearms and hundreds of rounds of ammunition from the vehicle, and 30 additional firearms, suppressors, and thousands of rounds from Howlett's Henderson residence.
- The article notes that Howlett is due in court on Wednesday, July 1, 2026.