Suspect Demetrius Thurman Charged in CTA Stabbing After Filming Attack on Sleeping Passenger
Chicago prosecutors charged Demetrius Thurman, 40, with first-degree murder after he allegedly stabbed 37-year-old Dominique Pollion on a CTA Blue Line train Jan. 11, 2026, reportedly filming the attack on his cellphone before being arrested.
Key takeaways
- Victim: 37-year-old Dominique Pollion, pronounced dead at Northwestern Memorial Hospital after a stabbing on a CTA Blue Line train.
- Accused: 40-year-old Demetrius Thurman, charged with one felony count of first-degree murder; prosecutors say he admitted to the stabbing.
- Date & location: The attack occurred early Jan. 11, 2026, on a Blue Line train (around 2:15–2:17 a.m.), captured on CTA cameras and, prosecutors say, filmed by the suspect.
- Evidence & arrest: Surveillance, Illinois Secretary of State facial recognition, family and officer identification, and a cellphone allegedly containing video and photos of sleeping passengers were key to the Jan. 12, 2026 arrest.
Key information
Victim: 37-year-old Dominique Pollion was stabbed on a CTA Blue Line train and later pronounced dead at Northwestern Memorial Hospital.
Accused: Demetrius Thurman, 40, has been charged with one felony count of first-degree murder, according to charging documents.
Date and location: The stabbing occurred early Jan. 11, 2026, on a CTA Blue Line train; investigators say the attack unfolded about 2:15–2:17 a.m. and was captured on CTA surveillance cameras.
Evidence: Prosecutors say Thurman filmed the attack on his cellphone and that CTA cameras recorded the assault. Courthouse records indicate Thurman turned his phone to record himself during and after the incident.
Arrest: Police arrested Thurman on Jan. 12, 2026, in the West Loop; investigators say he wore the same clothing from the incident and had the cellphone with recordings.
What prosecutors say happened
Court records and charging documents allege Thurman boarded the Blue Line and walked down a car toward a sleeping passenger who had been resting for about an hour. Prosecutors state Thurman held a knife with a bright orange handle and began recording himself before the attack.
According to filings, Thurman stabbed Pollion once in the chest near the heart and again in the abdomen. Pollion reportedly awoke, screamed and tried to crawl away before collapsing. CTA camera video reportedly shows the sequence of events.
Video, statements and the immediate aftermath
Prosecutors say Thurman later turned the phone to film his own face. Video reported by local outlets shows him on the Clark/Lake platform saying, somebody got his ass
, as officers were alerted. Those details are described in court documents cited by local reporting.
“Somebody got his ass,” — statement prosecutors say Thurman made on the Clark/Lake platform after the stabbing.
Evidence collected and police work
Chicago police and CTA investigators used multiple methods to identify and locate the suspect: CTA surveillance footage, the Illinois Secretary of State facial recognition system, a police bulletin and an off-duty officer who had recently encountered Thurman, and family identification from surveillance images.
Police allege they recovered the cellphone containing the recordings and photographs of other sleeping passengers — evidence prosecutors highlighted as raising the possibility of targeted attacks on vulnerable riders. The recovery of the device and clothing reportedly matching surveillance footage helped secure an arrest the day after the attack.
Criminal history and court records
Court documents list prior encounters with the law for Thurman, including disorderly conduct supervision in 2014, a DUI in 2017 and a 2023 traffic arrest that resulted in supervision. Prosecutors say court filings contain an admission by Thurman to stabbing Pollion.
Thurman faces a single count of first-degree murder. His next court appearance was scheduled for Jan. 20, 2026, according to filings.
Local reactions and transit safety concerns
The incident renewed public concern over safety on Chicago’s transit system. Riders who sleep on late-night trains were particularly alarmed, and community members called for increased patrols, clearer reporting mechanisms and better communication from CTA and police about night service safety.
Officials have not announced immediate policy changes, but advocates are urging reviews of late-night staffing, patrol patterns and rider outreach to protect vulnerable commuters.
Why the cellphone recordings matter
Prosecutors say the cellphone video is central evidence: it allegedly documents the attack itself and Thurman’s demeanor immediately afterward. The recordings — including photographs of other sleeping riders — could inform prosecutors’ presentation of motive, state of mind and whether the attack was random or part of a pattern.
Investigation status and next steps
Chicago police continue to review additional video and phone data. Prosecutors charged Thurman with first-degree murder and reported an admission in court filings; defense attorneys have not released a full public statement. Thurman’s next scheduled court date is Jan. 20, 2026.
Implications for Los Angeles, California
Economic impact: High-profile transit safety incidents can depress late-night ridership and increase costs for transit operators. If a similar case drew attention in Los Angeles, Metro could face reduced fare revenue and pressure to fund increased patrols, staffing and surveillance upgrades.
Political consequences: Such cases often shape local debates about public safety, policing and transit funding. LA leaders may encounter demands for visible security measures—more officers on trains, expanded cameras or policy shifts—which raise debates about civil liberties and surveillance.
Social effects: Late-shift workers and low-income riders rely on transit at odd hours. Stories of unprovoked attacks on sleeping passengers can heighten fear and push riders toward costlier alternatives, deepening inequality and prompting calls for targeted outreach and rider safety programs.
Practical steps: Agencies can review training to spot suspicious behavior, improve rider reporting channels, increase visibility of security at key stations and clarify policies for evidence preservation and inter-agency cooperation. Riders should report threats, avoid isolation when possible and use emergency buttons and assistance lines.
Reporting and source notes
This account is based on court records and reporting by Times Media Service and local Chicago outlets that reviewed charging documents and police statements. Initial detailed reporting and video evidence descriptions were reported by Fox 32 Chicago and Fox News, and elements were also covered by ABC7 Chicago.
Sources and referenced reporting: Fox 32 Chicago; Fox News; ABC7 Chicago.
