Local and federal agencies are increasing their presence in the entertainment district after four people were killed and 15 were wounded.
DALLAS, Texas — Dallas police and federal law enforcement agencies launched a coordinated public-safety operation Monday in Deep Ellum after three separate Halloween night shootings killed four people and wounded 15 others in the crowded entertainment district.
U.S. Attorney Ryan Raybould announced the initiative, called Operation Deep Cover, alongside Dallas Police Chief Daniel Comeaux and representatives from several federal and state agencies. Officials said the plan would combine greater law enforcement visibility, plainclothes officers and federal prosecution when cases fall under federal law. The announcement came as police continued investigating the three shootings and searching for additional suspects.
Raybould said residents and visitors should expect more officers in Deep Ellum, including both uniformed and plainclothes personnel. The announcement included participation from the FBI, the Bureau of Alcohol, Tobacco, Firearms and Explosives, the Drug Enforcement Administration, U.S. Marshals, Homeland Security Investigations and the Texas Department of Public Safety.
The operation followed a violent period late Saturday and early Sunday. Dallas police said the first shooting occurred around midnight in the 2600 block of Elm Street, where five people were shot during an apparent altercation in a parking lot. Minutes later, three people were killed in another shooting near Commerce and South Crowdus streets. A third shooting around 1:35 a.m. in the 200 block of South Crowdus Street left one person dead.
Comeaux has said investigators do not believe the three shootings were connected. Officers have interviewed witnesses, sought surveillance footage from nearby businesses and made arrests while continuing to look for other suspects. Police have not publicly established motives for all three shootings.
Federal officials also announced an arrest stemming from activity near the violence, while stressing that the case was not directly tied to the fatal shootings. Raybould said Treyveion Demby was near one shooting when an officer saw him point a loaded handgun toward a crowd. Authorities said he initially did not comply with an officer’s commands, then dropped the weapon and ran before being captured. The specific outcome of that case has not been determined.
Raybould said federal prosecutors also plan to examine whether suspects in violent Deep Ellum cases have gang or organized-crime connections that could support federal charges. Officials said investigators may review older cases from the neighborhood for possible links or additional evidence. Any person charged in connection with such cases is presumed innocent unless convicted.
The new enforcement effort comes amid renewed debate about safety in one of Dallas’ best-known nightlife districts. Deep Ellum businesses attract large crowds on weekends and holidays, and workers told CBS News Texas that Halloween celebrations had been going well before the shootings sent people running for safety.
The neighborhood had already faced other episodes of gun violence this year. About six months before the Halloween shootings, security officer Joseph Gray was killed and five other people were wounded in two separate shootings in Deep Ellum. A triple shooting was also reported on Elm Street in August.
The Deep Ellum Foundation plans community listening sessions with Dallas Mayor Pro Tem Jesse Moreno on Wednesday and Friday at the Deep Ellum Community Center. The meetings will give neighborhood stakeholders a forum to discuss safety following the shootings as law enforcement increases its presence in the district.
Police continued Monday to investigate the killings and collect video and witness information. Operation Deep Cover is expected to place additional officers and federal partners in the neighborhood while authorities pursue suspects and determine whether any cases qualify for federal prosecution.
Author note: Last updated November 2, 2026.