Tommy Avis, 37, turned himself in at the Benton County jail Sunday morning and was booked for first-degree assault related to Saturday's shooting of Derrick Cady, 35, police said.
Three others were arrested on unrelated charges as a direct result of the incident, according to a Kennewick Police news release. Police say they are seeking two other suspects.
Cady and Avis, both from Kennewick, were associates who were involved in a dispute, possibly about property, police said. Both have arrest records. Avis confronted Cady and Cady was shot in his leg at 8:43 a.m. Saturday in the 6000 block of West Albany Court, police said. Avis and multiple other people left in a rented 2014 Nissan Versa, which police later recovered, police said.
Police continue looking for Michael Eugene Land, who is 24 and white, who is a suspected accomplice in the shooting, police said. Also wanted for questioning is Genesis Marie Garza, who is 28 and Hispanic, and has unrelated warrants for her arrest, police said.
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Cady was taken to Trios Health in Kennewick and then to Harbor View Medical Center in Seattle, where he remains, police said.
Police arrested Cathy Pamela Kelly, 44; Samuel James Crosland, 32; and Russell Allen Hawkinson, 25, on unrelated charges that were uncovered in the investigation, police said.