On Tuesday, July 1, 2025, Homicide Detectives, with assistance from the Special Emergency Reaction Team (SERT), arrested David N. Marson, 40, of Portland, in connection to the fatal stabbing on June 22, 2025. Marson was transported to the Multnomah County Detention Center and lodged on charges of Murder in the Second Degree and Unlawful Use of a Weapon.
The victim’s family has been notified of the arrest.
Anyone with information about this case, who has not already spoken to police, is asked to contact Detective Carlos Ibarra at Carlos.Ibarra@police.portlandoregon.gov, 503-823-0950 or Detective Jeff Pontius at Jeffery.Pontius@police.portlandoregon.gov, 503-823-0433 and reference case number 25-165117.
###PPB###
***Original Messages Below***
UPDATE: Victim of Stabbing in Foster-Powell Neighborhood Identified
The victim of a stabbing in the Foster-Powell Neighborhood has been identified.
The victim of a stabbing in the Foster-Powell Neighborhood on June 22, 2025, has been identified as Miguel A. Alvarez-Flores, 21, of Hillsboro. His family has been notified of his death. They are requesting privacy at this time, but they did provide a photo for public release.
The Medical Examiner determined Alvarez-Flores died of homicide.
If anyone has information about this case and has not already spoken to police, please contact Detective Carlos Ibarra at Carlos.Ibarra@police.portlandoregon.gov, 503-823-0950 or Detective Jeff Pontius at Jeffery.Pontius@police.portlandoregon.gov, 503-823-0433. Please reference case number 25-165117.
###PPB###
***Original Message Below***
Man Dies in Stabbing in Foster-Powell Neighborhood
On Sunday, June 22, 2025 at 12:26 a.m., Portland Police Officers responded to a report of a stabbing in a parking lot in the 6200 block of Southeast Foster Road. When they arrived they found one an adult male deceased at the scene. The suspect or suspects left the scene before police arrived and no immediate arrests were made.
The Portland Police Homicide Unit is responding to investigate. During the investigation, Southeast Foster Road is blocked from Southeast 62nd Avenue to Southeast 65th Avenue.
If anyone has information about this case and has not already spoken to police, please contact Detective Carlos Ibarra at Carlos.Ibarra@police.portlandoregon.gov, 503-823-0950 or Detective Jeff Pontius at Jeffery.Pontius@police.portlandoregon.gov, 503-823-0433. Please reference case number 25-165117.
The PIO is not responding to the scene. Additional information will be released when appropriate.
###PPB###