Workplace Threat Explodes Into Gunfire

Sheriff's vehicles behind yellow do-not-cross tape
Photo: PhotosbyAndy / Shutterstock

Police say a United Rentals employee in Manassas shot three coworkers, killing two, before taking his own life hours later.

Story Snapshot

  • Police identified the shooter as coworker Marvin Grant and called it workplace violence.
  • Calls began at 7:11 a.m.; officers arrived minutes later to find three men shot.
  • Two victims died; a third survived with serious injuries, police said.
  • The suspect fled in a Toyota Camry and later died by self-inflicted gunshot on Interstate 81.

What Police Say Happened At The Manassas Worksite

Manassas Police reported 911 calls for an active shooter at United Rentals on Wellington Road at 7:11 a.m. on September 30, 2026. Officers reached the scene about three minutes later and found three male employees shot. Police identified the suspect as coworker Marvin Grant. The department said Grant made a threat to a coworker before firing a handgun. Investigators described the case as workplace violence, not random crime, based on what they found at the site.

Police and local media later reported that two of the wounded men died after transport to area hospitals. The third victim remained in serious or critical condition, according to updates shared that day. Authorities did not release a motive. They said the early goal was to secure the building, treat the injured, and identify the shooter. That triage shaped what details officials confirmed in the first hours after the attack.

How The Pursuit Ended On Interstate 81

After the shooting, police said Grant fled the scene in a silver Toyota Camry. Virginia State Police located the car on Interstate 81 in Augusta County later that morning. Reports describe a stop and brief confrontation with troopers. Officials said the suspect died of a self-inflicted gunshot wound after the vehicle was stopped on the highway. That death ended the manhunt and closed immediate threats to the public.

Several outlets differed slightly on the final moments, describing a stop, a chase, or a short standoff. Officials have not published a full minute-by-minute timeline. The core facts stay aligned across reports: state troopers located the vehicle on Interstate 81, the road was closed during the response, and the suspect died by his own hand at the scene, according to police statements that afternoon.

Why This Fits A Broader Workplace Violence Pattern

This attack joins a category that is rare but severe. Federal data show hundreds of workplace homicides each year across the United States, and shootings make up the vast majority of those deaths. The Bureau of Labor Statistics reported that gunfire accounted for about eighty percent of workplace homicides in recent tallies. That pattern helps explain why police and employers train for active shooter response, even as the motive in any one case may be unclear.

Experts also point to prevention steps that start well before any gunfire. Studies urge companies to build clear ways to report threats, evaluate behavior, and resolve conflicts. That upstream work can flag risk earlier and support workers in trouble. Training to stop bleeding and lock down sites still matters. But a healthy workplace that listens and acts on warnings can reduce the chance that a dispute turns deadly, according to safety research and federal reviews.

Sources:

idahonews.com, wjla.com, cbs19news.com, fox5atlanta.com, whsv.com, washingtonpost.com, cdc.gov

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