Police Shot and Killed Suspect in Portland

A 41-year-old man died after a fatal altercation involving police officers at a residence on Colonial Road.

Updated on Oct. 6, 2026 in Law Enforcement

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The Maine attorney general is investigating a fatal police-involved shooting that occurred at a Portland residence on Colonial Road on October 1. AI Illustration. Upload story photo >

Brian Oliver died at Maine Medical Center on October 1 following a police shooting at a Colonial Road home. The incident occurred after officers responded to a disturbance call.

Why it matters

The Maine attorney general is investigating the shooting to determine if the use of lethal force by the officers was justified. This marks the second officer-involved shooting in Portland within approximately six weeks.

Officers Joseph Lowe and David Moore remain on administrative leave while the Maine attorney general investigates the incident. The probe follows a shooting at a Colonial Road residence where 69-year-old Mark Tschamler was killed.

The players

Joseph Lowe

He is one of the two Portland police officers placed on administrative leave following the shooting.

David Moore

He is one of the two Portland police officers placed on administrative leave following the shooting.

Maine Attorney General

This state office is responsible for conducting investigations into all police-involved fatalities in Maine.

The details

Officers responded to a disturbance call at 8:16 p.m. on September 21, where a tenant allowed them to enter the home. Police shot Brian Oliver, 41, after he allegedly assaulted Mark Tschamler and refused commands to drop his weapon.

Timeline

  1. Officers responded to the disturbance on Colonial Road at 8:16 p.m. on Sept. 21, 2026.

  2. Brian Oliver died at Maine Medical Center on Oct. 1, 2026.

Legal Context

This fatality adds to a recent series of officer-involved shootings in the city, following a similar incident at the Casco Bay Lines ferry terminal in August 2026. These investigations are standard under state law, which mandates that the Maine attorney general reviews all police-involved homicides.

Residents may see a temporary increase in police oversight scrutiny as the Maine attorney general conducts an independent investigation. The incident highlights established procedures for reporting disturbances that involve potential weapons.

The takeaway

Ongoing investigations into police conduct serve as a reminder of the formal review processes required for all officer-involved fatalities in the state. Transparency from the attorney general remains the primary mechanism for maintaining public trust during these investigations.

Further reading

For more information on local police oversight and department procedures, visit Law Enforcement.

Source note: This article includes information reported by Bangor Daily News.