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Sep 23, 2026 9:41 PM
Updated Sep 24, 2026 1:58 AM

Seattle police say all people directly involved in a fatal shooting during an illegal street takeover earlier this month have been identified.

Seattle police say all people directly involved in a fatal shooting during an illegal street takeover earlier this month have been identified, and detectives expect to refer the case to prosecutors in the coming weeks.

The shooting happened shortly after 12:42 a.m. Sept. 6 near Third Avenue and Clay Street, police said.

Officers found 20-year-old Isaac E. Rios with gunshot wounds to his chest and leg in the 300 block of Clay Street. He was taken to Harborview Medical Center, where he died despite life-saving efforts.

21-year-old Matthew Lanske was found with gunshot wounds to his abdomen in the 300 block of Denny Way and was taken to Harborview in critical condition. He remains hospitalized, police said.

A 22-year-old man and a 26-year-old woman, both shot in the leg, drove themselves to Harborview for treatment and have since been released.

Detectives also interviewed a 20-year-old woman about the shooting.

Police said four people gathered near Third Avenue and Clay Street as vehicles and pedestrians assembled for an alleged street takeover.

At about 12:29 a.m., slain Rios had a brief hostile argument with the 20-year-old woman, who was with the 22-year-old man and 26-year-old woman, according to detectives.

Witnesses said they became aware the 22-year-old man had a handgun, according to police.

About nine minutes later, police said, the Lanske and Rios approached the group and began fighting with the armed 22-year-old man.

Lanske was shot repeatedly in the abdomen and left the fight to seek help.

The fight continued between Rios and the 22-year-old man, while the 26-year-old woman tried to separate them, police said.

During the fight, the 22-year-old man’s legally possessed firearm fired several times, striking all three people involved in the fight, according to police.

Police said the gun became separated from the fight and was picked up by Rios, who walked away with it.

Detectives used footage from the department’s Real Time Crime Center, neighboring businesses and community members, along with witness statements, in their investigation.

The case remains under investigation and is expected to be referred to the King County Prosecuting Attorney’s Office for charging consideration.

Anyone with information can call the Seattle Police Department tip line at 206-233-5000 or submit evidence through an online portal.

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